31900550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1871}}^1$

素因数の和:1925

約数の個数: 48

約数和(自身を含む): 66852864

約数和(自身を除く): 34952314

約数列:

[1, 2, 5, 10, 11, 22, 25, 31, 50, 55, 62, 110, 155, 275, 310, 341, 550, 682, 775, 1550, 1705, 1871, 3410, 3742, 8525, 9355, 17050, 18710, 20581, 41162, 46775, 58001, 93550, 102905, 116002, 205810, 290005, 514525, 580010, 638011, 1029050, 1276022, 1450025, 2900050, 3190055, 6380110, 15950275, 31900550]

約数ペア:

[(1, 31900550), (2, 15950275), (5, 6380110), (10, 3190055), (11, 2900050), (22, 1450025), (25, 1276022), (31, 1029050), (50, 638011), (55, 580010), (62, 514525), (110, 290005), (155, 205810), (275, 116002), (310, 102905), (341, 93550), (550, 58001), (682, 46775), (775, 41162), (1550, 20581), (1705, 18710), (1871, 17050), (3410, 9355), (3742, 8525)]