71861380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{877}}^1$

素因数の和:1144

約数の個数: 48

約数和(自身を含む): 160631856

約数和(自身を除く): 88770476

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 241, 340, 482, 877, 964, 1205, 1754, 2410, 3508, 4097, 4385, 4820, 8194, 8770, 14909, 16388, 17540, 20485, 29818, 40970, 59636, 74545, 81940, 149090, 211357, 298180, 422714, 845428, 1056785, 2113570, 3593069, 4227140, 7186138, 14372276, 17965345, 35930690, 71861380]

約数ペア:

[(1, 71861380), (2, 35930690), (4, 17965345), (5, 14372276), (10, 7186138), (17, 4227140), (20, 3593069), (34, 2113570), (68, 1056785), (85, 845428), (170, 422714), (241, 298180), (340, 211357), (482, 149090), (877, 81940), (964, 74545), (1205, 59636), (1754, 40970), (2410, 29818), (3508, 20485), (4097, 17540), (4385, 16388), (4820, 14909), (8194, 8770)]