313020950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1669}}^1$

素因数の和:1734

約数の個数: 72

約数和(自身を含む): 660999360

約数和(自身を除く): 347978410

約数列:

[1, 2, 5, 10, 11, 22, 25, 31, 50, 55, 62, 110, 121, 155, 242, 275, 310, 341, 550, 605, 682, 775, 1210, 1550, 1669, 1705, 3025, 3338, 3410, 3751, 6050, 7502, 8345, 8525, 16690, 17050, 18359, 18755, 36718, 37510, 41725, 51739, 83450, 91795, 93775, 103478, 183590, 187550, 201949, 258695, 403898, 458975, 517390, 569129, 917950, 1009745, 1138258, 1293475, 2019490, 2586950, 2845645, 5048725, 5691290, 6260419, 10097450, 12520838, 14228225, 28456450, 31302095, 62604190, 156510475, 313020950]

約数ペア:

[(1, 313020950), (2, 156510475), (5, 62604190), (10, 31302095), (11, 28456450), (22, 14228225), (25, 12520838), (31, 10097450), (50, 6260419), (55, 5691290), (62, 5048725), (110, 2845645), (121, 2586950), (155, 2019490), (242, 1293475), (275, 1138258), (310, 1009745), (341, 917950), (550, 569129), (605, 517390), (682, 458975), (775, 403898), (1210, 258695), (1550, 201949), (1669, 187550), (1705, 183590), (3025, 103478), (3338, 93775), (3410, 91795), (3751, 83450), (6050, 51739), (7502, 41725), (8345, 37510), (8525, 36718), (16690, 18755), (17050, 18359)]