31965340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:203

約数の個数: 96

約数和(自身を含む): 78059520

約数和(自身を除く): 46094180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 43, 44, 55, 62, 86, 109, 110, 124, 155, 172, 215, 218, 220, 310, 341, 430, 436, 473, 545, 620, 682, 860, 946, 1090, 1199, 1333, 1364, 1705, 1892, 2180, 2365, 2398, 2666, 3379, 3410, 4687, 4730, 4796, 5332, 5995, 6665, 6758, 6820, 9374, 9460, 11990, 13330, 13516, 14663, 16895, 18748, 23435, 23980, 26660, 29326, 33790, 37169, 46870, 51557, 58652, 67580, 73315, 74338, 93740, 103114, 145297, 146630, 148676, 185845, 206228, 257785, 290594, 293260, 371690, 515570, 581188, 726485, 743380, 1031140, 1452970, 1598267, 2905940, 3196534, 6393068, 7991335, 15982670, 31965340]

約数ペア:

[(1, 31965340), (2, 15982670), (4, 7991335), (5, 6393068), (10, 3196534), (11, 2905940), (20, 1598267), (22, 1452970), (31, 1031140), (43, 743380), (44, 726485), (55, 581188), (62, 515570), (86, 371690), (109, 293260), (110, 290594), (124, 257785), (155, 206228), (172, 185845), (215, 148676), (218, 146630), (220, 145297), (310, 103114), (341, 93740), (430, 74338), (436, 73315), (473, 67580), (545, 58652), (620, 51557), (682, 46870), (860, 37169), (946, 33790), (1090, 29326), (1199, 26660), (1333, 23980), (1364, 23435), (1705, 18748), (1892, 16895), (2180, 14663), (2365, 13516), (2398, 13330), (2666, 11990), (3379, 9460), (3410, 9374), (4687, 6820), (4730, 6758), (4796, 6665), (5332, 5995)]