31903480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3929}}^1$

素因数の和:3976

約数の個数: 64

約数和(自身を含む): 84888000

約数和(自身を除く): 52984520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 3929, 4060, 7858, 8120, 15716, 19645, 27503, 31432, 39290, 55006, 78580, 110012, 113941, 137515, 157160, 220024, 227882, 275030, 455764, 550060, 569705, 797587, 911528, 1100120, 1139410, 1595174, 2278820, 3190348, 3987935, 4557640, 6380696, 7975870, 15951740, 31903480]

約数ペア:

[(1, 31903480), (2, 15951740), (4, 7975870), (5, 6380696), (7, 4557640), (8, 3987935), (10, 3190348), (14, 2278820), (20, 1595174), (28, 1139410), (29, 1100120), (35, 911528), (40, 797587), (56, 569705), (58, 550060), (70, 455764), (116, 275030), (140, 227882), (145, 220024), (203, 157160), (232, 137515), (280, 113941), (290, 110012), (406, 78580), (580, 55006), (812, 39290), (1015, 31432), (1160, 27503), (1624, 19645), (2030, 15716), (3929, 8120), (4060, 7858)]