69147980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{10139}}^1$

素因数の和:10190

約数の個数: 48

約数和(自身を含む): 163537920

約数和(自身を除く): 94389940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 10139, 20278, 40556, 50695, 101390, 111529, 202780, 223058, 314309, 446116, 557645, 628618, 1115290, 1257236, 1571545, 2230580, 3143090, 3457399, 6286180, 6914798, 13829596, 17286995, 34573990, 69147980]

約数ペア:

[(1, 69147980), (2, 34573990), (4, 17286995), (5, 13829596), (10, 6914798), (11, 6286180), (20, 3457399), (22, 3143090), (31, 2230580), (44, 1571545), (55, 1257236), (62, 1115290), (110, 628618), (124, 557645), (155, 446116), (220, 314309), (310, 223058), (341, 202780), (620, 111529), (682, 101390), (1364, 50695), (1705, 40556), (3410, 20278), (6820, 10139)]