217923160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:210

約数の個数: 256

約数和(自身を含む): 667699200

約数和(自身を除く): 449776040

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 23, 26, 28, 35, 38, 40, 46, 52, 56, 65, 70, 76, 91, 92, 95, 104, 115, 130, 133, 137, 140, 152, 161, 182, 184, 190, 230, 247, 260, 266, 274, 280, 299, 322, 364, 380, 437, 455, 460, 494, 520, 532, 548, 598, 644, 665, 685, 728, 760, 805, 874, 910, 920, 959, 988, 1064, 1096, 1196, 1235, 1288, 1330, 1370, 1495, 1610, 1729, 1748, 1781, 1820, 1918, 1976, 2093, 2185, 2392, 2470, 2603, 2660, 2740, 2990, 3059, 3151, 3220, 3458, 3496, 3562, 3640, 3836, 4186, 4370, 4795, 4940, 5206, 5320, 5480, 5681, 5980, 6118, 6302, 6440, 6916, 7124, 7672, 8372, 8645, 8740, 8905, 9590, 9880, 10412, 10465, 11362, 11960, 12236, 12467, 12604, 13015, 13832, 14248, 15295, 15755, 16744, 17290, 17480, 17810, 18221, 19180, 20824, 20930, 22057, 22724, 24472, 24934, 25208, 26030, 28405, 30590, 31510, 33839, 34580, 35620, 36442, 38360, 39767, 40963, 41860, 44114, 45448, 49868, 52060, 56810, 59869, 61180, 62335, 63020, 67678, 69160, 71240, 72884, 79534, 81926, 83720, 88228, 91105, 99736, 104120, 110285, 113620, 119738, 122360, 124670, 126040, 135356, 145768, 159068, 163852, 169195, 176456, 182210, 198835, 204815, 220570, 227240, 236873, 239476, 249340, 270712, 286741, 299345, 318136, 327704, 338390, 364420, 397670, 409630, 419083, 441140, 473746, 478952, 498680, 573482, 598690, 676780, 728840, 778297, 795340, 819260, 838166, 882280, 947492, 1146964, 1184365, 1197380, 1353560, 1433705, 1556594, 1590680, 1638520, 1676332, 1894984, 2095415, 2293928, 2368730, 2394760, 2867410, 3113188, 3352664, 3891485, 4190830, 4737460, 5448079, 5734820, 6226376, 7782970, 8381660, 9474920, 10896158, 11469640, 15565940, 16763320, 21792316, 27240395, 31131880, 43584632, 54480790, 108961580, 217923160]

約数ペア:

[(1, 217923160), (2, 108961580), (4, 54480790), (5, 43584632), (7, 31131880), (8, 27240395), (10, 21792316), (13, 16763320), (14, 15565940), (19, 11469640), (20, 10896158), (23, 9474920), (26, 8381660), (28, 7782970), (35, 6226376), (38, 5734820), (40, 5448079), (46, 4737460), (52, 4190830), (56, 3891485), (65, 3352664), (70, 3113188), (76, 2867410), (91, 2394760), (92, 2368730), (95, 2293928), (104, 2095415), (115, 1894984), (130, 1676332), (133, 1638520), (137, 1590680), (140, 1556594), (152, 1433705), (161, 1353560), (182, 1197380), (184, 1184365), (190, 1146964), (230, 947492), (247, 882280), (260, 838166), (266, 819260), (274, 795340), (280, 778297), (299, 728840), (322, 676780), (364, 598690), (380, 573482), (437, 498680), (455, 478952), (460, 473746), (494, 441140), (520, 419083), (532, 409630), (548, 397670), (598, 364420), (644, 338390), (665, 327704), (685, 318136), (728, 299345), (760, 286741), (805, 270712), (874, 249340), (910, 239476), (920, 236873), (959, 227240), (988, 220570), (1064, 204815), (1096, 198835), (1196, 182210), (1235, 176456), (1288, 169195), (1330, 163852), (1370, 159068), (1495, 145768), (1610, 135356), (1729, 126040), (1748, 124670), (1781, 122360), (1820, 119738), (1918, 113620), (1976, 110285), (2093, 104120), (2185, 99736), (2392, 91105), (2470, 88228), (2603, 83720), (2660, 81926), (2740, 79534), (2990, 72884), (3059, 71240), (3151, 69160), (3220, 67678), (3458, 63020), (3496, 62335), (3562, 61180), (3640, 59869), (3836, 56810), (4186, 52060), (4370, 49868), (4795, 45448), (4940, 44114), (5206, 41860), (5320, 40963), (5480, 39767), (5681, 38360), (5980, 36442), (6118, 35620), (6302, 34580), (6440, 33839), (6916, 31510), (7124, 30590), (7672, 28405), (8372, 26030), (8645, 25208), (8740, 24934), (8905, 24472), (9590, 22724), (9880, 22057), (10412, 20930), (10465, 20824), (11362, 19180), (11960, 18221), (12236, 17810), (12467, 17480), (12604, 17290), (13015, 16744), (13832, 15755), (14248, 15295)]