31490790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{547}}^1$

素因数の和:677

約数の個数: 64

約数和(自身を含む): 80490240

約数和(自身を除く): 48999450

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 101, 114, 190, 202, 285, 303, 505, 547, 570, 606, 1010, 1094, 1515, 1641, 1919, 2735, 3030, 3282, 3838, 5470, 5757, 8205, 9595, 10393, 11514, 16410, 19190, 20786, 28785, 31179, 51965, 55247, 57570, 62358, 103930, 110494, 155895, 165741, 276235, 311790, 331482, 552470, 828705, 1049693, 1657410, 2099386, 3149079, 5248465, 6298158, 10496930, 15745395, 31490790]

約数ペア:

[(1, 31490790), (2, 15745395), (3, 10496930), (5, 6298158), (6, 5248465), (10, 3149079), (15, 2099386), (19, 1657410), (30, 1049693), (38, 828705), (57, 552470), (95, 331482), (101, 311790), (114, 276235), (190, 165741), (202, 155895), (285, 110494), (303, 103930), (505, 62358), (547, 57570), (570, 55247), (606, 51965), (1010, 31179), (1094, 28785), (1515, 20786), (1641, 19190), (1919, 16410), (2735, 11514), (3030, 10393), (3282, 9595), (3838, 8205), (5470, 5757)]