31946420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:381

約数の個数: 72

約数和(自身を含む): 75701472

約数和(自身を除く): 43755052

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 121, 172, 215, 220, 242, 307, 430, 473, 484, 605, 614, 860, 946, 1210, 1228, 1535, 1892, 2365, 2420, 3070, 3377, 4730, 5203, 6140, 6754, 9460, 10406, 13201, 13508, 16885, 20812, 26015, 26402, 33770, 37147, 52030, 52804, 66005, 67540, 74294, 104060, 132010, 145211, 148588, 185735, 264020, 290422, 371470, 580844, 726055, 742940, 1452110, 1597321, 2904220, 3194642, 6389284, 7986605, 15973210, 31946420]

約数ペア:

[(1, 31946420), (2, 15973210), (4, 7986605), (5, 6389284), (10, 3194642), (11, 2904220), (20, 1597321), (22, 1452110), (43, 742940), (44, 726055), (55, 580844), (86, 371470), (110, 290422), (121, 264020), (172, 185735), (215, 148588), (220, 145211), (242, 132010), (307, 104060), (430, 74294), (473, 67540), (484, 66005), (605, 52804), (614, 52030), (860, 37147), (946, 33770), (1210, 26402), (1228, 26015), (1535, 20812), (1892, 16885), (2365, 13508), (2420, 13201), (3070, 10406), (3377, 9460), (4730, 6754), (5203, 6140)]