420865610

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1487}}^1$

素因数の和:1619

約数の個数: 64

約数和(自身を含む): 863944704

約数和(自身を除く): 443079094

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 83, 110, 155, 166, 310, 341, 415, 682, 830, 913, 1487, 1705, 1826, 2573, 2974, 3410, 4565, 5146, 7435, 9130, 12865, 14870, 16357, 25730, 28303, 32714, 46097, 56606, 81785, 92194, 123421, 141515, 163570, 230485, 246842, 283030, 460970, 507067, 617105, 1014134, 1234210, 1357631, 2535335, 2715262, 3826051, 5070670, 6788155, 7652102, 13576310, 19130255, 38260510, 42086561, 84173122, 210432805, 420865610]

約数ペア:

[(1, 420865610), (2, 210432805), (5, 84173122), (10, 42086561), (11, 38260510), (22, 19130255), (31, 13576310), (55, 7652102), (62, 6788155), (83, 5070670), (110, 3826051), (155, 2715262), (166, 2535335), (310, 1357631), (341, 1234210), (415, 1014134), (682, 617105), (830, 507067), (913, 460970), (1487, 283030), (1705, 246842), (1826, 230485), (2573, 163570), (2974, 141515), (3410, 123421), (4565, 92194), (5146, 81785), (7435, 56606), (9130, 46097), (12865, 32714), (14870, 28303), (16357, 25730)]