385959920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{8191}}^1$

素因数の和:8254

約数の個数: 80

約数和(自身を含む): 975175680

約数和(自身を除く): 589215760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 2356, 2480, 2945, 4712, 5890, 8191, 9424, 11780, 16382, 23560, 32764, 40955, 47120, 65528, 81910, 131056, 155629, 163820, 253921, 311258, 327640, 507842, 622516, 655280, 778145, 1015684, 1245032, 1269605, 1556290, 2031368, 2490064, 2539210, 3112580, 4062736, 4824499, 5078420, 6225160, 9648998, 10156840, 12450320, 19297996, 20313680, 24122495, 38595992, 48244990, 77191984, 96489980, 192979960, 385959920]

約数ペア:

[(1, 385959920), (2, 192979960), (4, 96489980), (5, 77191984), (8, 48244990), (10, 38595992), (16, 24122495), (19, 20313680), (20, 19297996), (31, 12450320), (38, 10156840), (40, 9648998), (62, 6225160), (76, 5078420), (80, 4824499), (95, 4062736), (124, 3112580), (152, 2539210), (155, 2490064), (190, 2031368), (248, 1556290), (304, 1269605), (310, 1245032), (380, 1015684), (496, 778145), (589, 655280), (620, 622516), (760, 507842), (1178, 327640), (1240, 311258), (1520, 253921), (2356, 163820), (2480, 155629), (2945, 131056), (4712, 81910), (5890, 65528), (8191, 47120), (9424, 40955), (11780, 32764), (16382, 23560)]