31172980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{367}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 68253696

約数和(自身を除く): 37080716

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 137, 155, 274, 310, 367, 548, 620, 685, 734, 1370, 1468, 1835, 2740, 3670, 4247, 7340, 8494, 11377, 16988, 21235, 22754, 42470, 45508, 50279, 56885, 84940, 100558, 113770, 201116, 227540, 251395, 502790, 1005580, 1558649, 3117298, 6234596, 7793245, 15586490, 31172980]

約数ペア:

[(1, 31172980), (2, 15586490), (4, 7793245), (5, 6234596), (10, 3117298), (20, 1558649), (31, 1005580), (62, 502790), (124, 251395), (137, 227540), (155, 201116), (274, 113770), (310, 100558), (367, 84940), (548, 56885), (620, 50279), (685, 45508), (734, 42470), (1370, 22754), (1468, 21235), (1835, 16988), (2740, 11377), (3670, 8494), (4247, 7340)]