398397720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1213}}^1$

素因数の和:1274

約数の個数: 256

約数和(自身を含む): 1510410240

約数和(自身を除く): 1112012520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 23, 24, 28, 30, 34, 35, 40, 42, 46, 51, 56, 60, 68, 69, 70, 84, 85, 92, 102, 105, 115, 119, 120, 136, 138, 140, 161, 168, 170, 184, 204, 210, 230, 238, 255, 276, 280, 322, 340, 345, 357, 391, 408, 420, 460, 476, 483, 510, 552, 595, 644, 680, 690, 714, 782, 805, 840, 920, 952, 966, 1020, 1173, 1190, 1213, 1288, 1380, 1428, 1564, 1610, 1785, 1932, 1955, 2040, 2346, 2380, 2415, 2426, 2737, 2760, 2856, 3128, 3220, 3570, 3639, 3864, 3910, 4692, 4760, 4830, 4852, 5474, 5865, 6065, 6440, 7140, 7278, 7820, 8211, 8491, 9384, 9660, 9704, 10948, 11730, 12130, 13685, 14280, 14556, 15640, 16422, 16982, 18195, 19320, 20621, 21896, 23460, 24260, 25473, 27370, 27899, 29112, 32844, 33964, 36390, 41055, 41242, 42455, 46920, 48520, 50946, 54740, 55798, 61863, 65688, 67928, 72780, 82110, 82484, 83697, 84910, 101892, 103105, 109480, 111596, 123726, 127365, 139495, 144347, 145560, 164220, 164968, 167394, 169820, 195293, 203784, 206210, 223192, 247452, 254730, 278990, 288694, 309315, 328440, 334788, 339640, 390586, 412420, 418485, 433041, 474283, 494904, 509460, 557980, 577388, 585879, 618630, 669576, 721735, 781172, 824840, 836970, 866082, 948566, 976465, 1018920, 1115960, 1154776, 1171758, 1237260, 1422849, 1443470, 1562344, 1673940, 1732164, 1897132, 1952930, 2165205, 2343516, 2371415, 2474520, 2845698, 2886940, 2929395, 3319981, 3347880, 3464328, 3794264, 3905860, 4330410, 4687032, 4742830, 5691396, 5773880, 5858790, 6639962, 7114245, 7811720, 8660820, 9485660, 9959943, 11382792, 11717580, 13279924, 14228490, 16599905, 17321640, 18971320, 19919886, 23435160, 26559848, 28456980, 33199810, 39839772, 49799715, 56913960, 66399620, 79679544, 99599430, 132799240, 199198860, 398397720]

約数ペア:

[(1, 398397720), (2, 199198860), (3, 132799240), (4, 99599430), (5, 79679544), (6, 66399620), (7, 56913960), (8, 49799715), (10, 39839772), (12, 33199810), (14, 28456980), (15, 26559848), (17, 23435160), (20, 19919886), (21, 18971320), (23, 17321640), (24, 16599905), (28, 14228490), (30, 13279924), (34, 11717580), (35, 11382792), (40, 9959943), (42, 9485660), (46, 8660820), (51, 7811720), (56, 7114245), (60, 6639962), (68, 5858790), (69, 5773880), (70, 5691396), (84, 4742830), (85, 4687032), (92, 4330410), (102, 3905860), (105, 3794264), (115, 3464328), (119, 3347880), (120, 3319981), (136, 2929395), (138, 2886940), (140, 2845698), (161, 2474520), (168, 2371415), (170, 2343516), (184, 2165205), (204, 1952930), (210, 1897132), (230, 1732164), (238, 1673940), (255, 1562344), (276, 1443470), (280, 1422849), (322, 1237260), (340, 1171758), (345, 1154776), (357, 1115960), (391, 1018920), (408, 976465), (420, 948566), (460, 866082), (476, 836970), (483, 824840), (510, 781172), (552, 721735), (595, 669576), (644, 618630), (680, 585879), (690, 577388), (714, 557980), (782, 509460), (805, 494904), (840, 474283), (920, 433041), (952, 418485), (966, 412420), (1020, 390586), (1173, 339640), (1190, 334788), (1213, 328440), (1288, 309315), (1380, 288694), (1428, 278990), (1564, 254730), (1610, 247452), (1785, 223192), (1932, 206210), (1955, 203784), (2040, 195293), (2346, 169820), (2380, 167394), (2415, 164968), (2426, 164220), (2737, 145560), (2760, 144347), (2856, 139495), (3128, 127365), (3220, 123726), (3570, 111596), (3639, 109480), (3864, 103105), (3910, 101892), (4692, 84910), (4760, 83697), (4830, 82484), (4852, 82110), (5474, 72780), (5865, 67928), (6065, 65688), (6440, 61863), (7140, 55798), (7278, 54740), (7820, 50946), (8211, 48520), (8491, 46920), (9384, 42455), (9660, 41242), (9704, 41055), (10948, 36390), (11730, 33964), (12130, 32844), (13685, 29112), (14280, 27899), (14556, 27370), (15640, 25473), (16422, 24260), (16982, 23460), (18195, 21896), (19320, 20621)]