7755800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:205

約数の個数: 96

約数和(自身を含む): 20571600

約数和(自身を除く): 12815800

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 25, 26, 38, 40, 50, 52, 65, 76, 95, 100, 104, 130, 152, 157, 190, 200, 247, 260, 314, 325, 380, 475, 494, 520, 628, 650, 760, 785, 950, 988, 1235, 1256, 1300, 1570, 1900, 1976, 2041, 2470, 2600, 2983, 3140, 3800, 3925, 4082, 4940, 5966, 6175, 6280, 7850, 8164, 9880, 10205, 11932, 12350, 14915, 15700, 16328, 20410, 23864, 24700, 29830, 31400, 38779, 40820, 49400, 51025, 59660, 74575, 77558, 81640, 102050, 119320, 149150, 155116, 193895, 204100, 298300, 310232, 387790, 408200, 596600, 775580, 969475, 1551160, 1938950, 3877900, 7755800]

約数ペア:

[(1, 7755800), (2, 3877900), (4, 1938950), (5, 1551160), (8, 969475), (10, 775580), (13, 596600), (19, 408200), (20, 387790), (25, 310232), (26, 298300), (38, 204100), (40, 193895), (50, 155116), (52, 149150), (65, 119320), (76, 102050), (95, 81640), (100, 77558), (104, 74575), (130, 59660), (152, 51025), (157, 49400), (190, 40820), (200, 38779), (247, 31400), (260, 29830), (314, 24700), (325, 23864), (380, 20410), (475, 16328), (494, 15700), (520, 14915), (628, 12350), (650, 11932), (760, 10205), (785, 9880), (950, 8164), (988, 7850), (1235, 6280), (1256, 6175), (1300, 5966), (1570, 4940), (1900, 4082), (1976, 3925), (2041, 3800), (2470, 3140), (2600, 2983)]