291219280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:233

約数の個数: 160

約数和(自身を含む): 771379200

約数和(自身を除く): 480159920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 59, 71, 79, 80, 88, 110, 118, 142, 158, 176, 220, 236, 284, 295, 316, 355, 395, 440, 472, 568, 590, 632, 649, 710, 781, 790, 869, 880, 944, 1136, 1180, 1264, 1298, 1420, 1562, 1580, 1738, 2360, 2596, 2840, 3124, 3160, 3245, 3476, 3905, 4189, 4345, 4661, 4720, 5192, 5609, 5680, 6248, 6320, 6490, 6952, 7810, 8378, 8690, 9322, 10384, 11218, 12496, 12980, 13904, 15620, 16756, 17380, 18644, 20945, 22436, 23305, 25960, 28045, 31240, 33512, 34760, 37288, 41890, 44872, 46079, 46610, 51271, 51920, 56090, 61699, 62480, 67024, 69520, 74576, 83780, 89744, 92158, 93220, 102542, 112180, 123398, 167560, 184316, 186440, 205084, 224360, 230395, 246796, 256355, 308495, 330931, 335120, 368632, 372880, 410168, 448720, 460790, 493592, 512710, 616990, 661862, 737264, 820336, 921580, 987184, 1025420, 1233980, 1323724, 1654655, 1843160, 2050840, 2467960, 2647448, 3309310, 3640241, 3686320, 4101680, 4935920, 5294896, 6618620, 7280482, 13237240, 14560964, 18201205, 26474480, 29121928, 36402410, 58243856, 72804820, 145609640, 291219280]

約数ペア:

[(1, 291219280), (2, 145609640), (4, 72804820), (5, 58243856), (8, 36402410), (10, 29121928), (11, 26474480), (16, 18201205), (20, 14560964), (22, 13237240), (40, 7280482), (44, 6618620), (55, 5294896), (59, 4935920), (71, 4101680), (79, 3686320), (80, 3640241), (88, 3309310), (110, 2647448), (118, 2467960), (142, 2050840), (158, 1843160), (176, 1654655), (220, 1323724), (236, 1233980), (284, 1025420), (295, 987184), (316, 921580), (355, 820336), (395, 737264), (440, 661862), (472, 616990), (568, 512710), (590, 493592), (632, 460790), (649, 448720), (710, 410168), (781, 372880), (790, 368632), (869, 335120), (880, 330931), (944, 308495), (1136, 256355), (1180, 246796), (1264, 230395), (1298, 224360), (1420, 205084), (1562, 186440), (1580, 184316), (1738, 167560), (2360, 123398), (2596, 112180), (2840, 102542), (3124, 93220), (3160, 92158), (3245, 89744), (3476, 83780), (3905, 74576), (4189, 69520), (4345, 67024), (4661, 62480), (4720, 61699), (5192, 56090), (5609, 51920), (5680, 51271), (6248, 46610), (6320, 46079), (6490, 44872), (6952, 41890), (7810, 37288), (8378, 34760), (8690, 33512), (9322, 31240), (10384, 28045), (11218, 25960), (12496, 23305), (12980, 22436), (13904, 20945), (15620, 18644), (16756, 17380)]