636370040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{709}}^1\times {\mathrm{1181}}^1$

素因数の和:1920

約数の個数: 64

約数和(自身を含む): 1510596000

約数和(自身を除く): 874225960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 709, 760, 1181, 1418, 2362, 2836, 3545, 4724, 5672, 5905, 7090, 9448, 11810, 13471, 14180, 22439, 23620, 26942, 28360, 44878, 47240, 53884, 67355, 89756, 107768, 112195, 134710, 179512, 224390, 269420, 448780, 538840, 837329, 897560, 1674658, 3349316, 4186645, 6698632, 8373290, 15909251, 16746580, 31818502, 33493160, 63637004, 79546255, 127274008, 159092510, 318185020, 636370040]

約数ペア:

[(1, 636370040), (2, 318185020), (4, 159092510), (5, 127274008), (8, 79546255), (10, 63637004), (19, 33493160), (20, 31818502), (38, 16746580), (40, 15909251), (76, 8373290), (95, 6698632), (152, 4186645), (190, 3349316), (380, 1674658), (709, 897560), (760, 837329), (1181, 538840), (1418, 448780), (2362, 269420), (2836, 224390), (3545, 179512), (4724, 134710), (5672, 112195), (5905, 107768), (7090, 89756), (9448, 67355), (11810, 53884), (13471, 47240), (14180, 44878), (22439, 28360), (23620, 26942)]