900980920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{557}}^1$

素因数の和:737

約数の個数: 128

約数和(自身を含む): 2386454400

約数和(自身を除く): 1485473480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 109, 140, 212, 218, 265, 280, 371, 424, 436, 530, 545, 557, 742, 763, 872, 1060, 1090, 1114, 1484, 1526, 1855, 2120, 2180, 2228, 2785, 2968, 3052, 3710, 3815, 3899, 4360, 4456, 5570, 5777, 6104, 7420, 7630, 7798, 11140, 11554, 14840, 15260, 15596, 19495, 22280, 23108, 28885, 29521, 30520, 31192, 38990, 40439, 46216, 57770, 59042, 60713, 77980, 80878, 115540, 118084, 121426, 147605, 155960, 161756, 202195, 206647, 231080, 236168, 242852, 295210, 303565, 323512, 404390, 413294, 424991, 485704, 590420, 607130, 808780, 826588, 849982, 1033235, 1180840, 1214260, 1617560, 1653176, 1699964, 2066470, 2124955, 2428520, 3217789, 3399928, 4132940, 4249910, 6435578, 8265880, 8499820, 12871156, 16088945, 16999640, 22524523, 25742312, 32177890, 45049046, 64355780, 90098092, 112622615, 128711560, 180196184, 225245230, 450490460, 900980920]

約数ペア:

[(1, 900980920), (2, 450490460), (4, 225245230), (5, 180196184), (7, 128711560), (8, 112622615), (10, 90098092), (14, 64355780), (20, 45049046), (28, 32177890), (35, 25742312), (40, 22524523), (53, 16999640), (56, 16088945), (70, 12871156), (106, 8499820), (109, 8265880), (140, 6435578), (212, 4249910), (218, 4132940), (265, 3399928), (280, 3217789), (371, 2428520), (424, 2124955), (436, 2066470), (530, 1699964), (545, 1653176), (557, 1617560), (742, 1214260), (763, 1180840), (872, 1033235), (1060, 849982), (1090, 826588), (1114, 808780), (1484, 607130), (1526, 590420), (1855, 485704), (2120, 424991), (2180, 413294), (2228, 404390), (2785, 323512), (2968, 303565), (3052, 295210), (3710, 242852), (3815, 236168), (3899, 231080), (4360, 206647), (4456, 202195), (5570, 161756), (5777, 155960), (6104, 147605), (7420, 121426), (7630, 118084), (7798, 115540), (11140, 80878), (11554, 77980), (14840, 60713), (15260, 59042), (15596, 57770), (19495, 46216), (22280, 40439), (23108, 38990), (28885, 31192), (29521, 30520)]