201997120

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{823}}^1$

素因数の和:912

約数の個数: 112

約数和(自身を含む): 527425920

約数和(自身を除く): 325428800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 59, 64, 65, 80, 104, 118, 130, 160, 208, 236, 260, 295, 320, 416, 472, 520, 590, 767, 823, 832, 944, 1040, 1180, 1534, 1646, 1888, 2080, 2360, 3068, 3292, 3776, 3835, 4115, 4160, 4720, 6136, 6584, 7670, 8230, 9440, 10699, 12272, 13168, 15340, 16460, 18880, 21398, 24544, 26336, 30680, 32920, 42796, 48557, 49088, 52672, 53495, 61360, 65840, 85592, 97114, 106990, 122720, 131680, 171184, 194228, 213980, 242785, 245440, 263360, 342368, 388456, 427960, 485570, 631241, 684736, 776912, 855920, 971140, 1262482, 1553824, 1711840, 1942280, 2524964, 3107648, 3156205, 3423680, 3884560, 5049928, 6312410, 7769120, 10099856, 12624820, 15538240, 20199712, 25249640, 40399424, 50499280, 100998560, 201997120]

約数ペア:

[(1, 201997120), (2, 100998560), (4, 50499280), (5, 40399424), (8, 25249640), (10, 20199712), (13, 15538240), (16, 12624820), (20, 10099856), (26, 7769120), (32, 6312410), (40, 5049928), (52, 3884560), (59, 3423680), (64, 3156205), (65, 3107648), (80, 2524964), (104, 1942280), (118, 1711840), (130, 1553824), (160, 1262482), (208, 971140), (236, 855920), (260, 776912), (295, 684736), (320, 631241), (416, 485570), (472, 427960), (520, 388456), (590, 342368), (767, 263360), (823, 245440), (832, 242785), (944, 213980), (1040, 194228), (1180, 171184), (1534, 131680), (1646, 122720), (1888, 106990), (2080, 97114), (2360, 85592), (3068, 65840), (3292, 61360), (3776, 53495), (3835, 52672), (4115, 49088), (4160, 48557), (4720, 42796), (6136, 32920), (6584, 30680), (7670, 26336), (8230, 24544), (9440, 21398), (10699, 18880), (12272, 16460), (13168, 15340)]