1988653520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1061}}^1\times {\mathrm{3347}}^1$

素因数の和:4428

約数の個数: 80

約数和(自身を含む): 5290697088

約数和(自身を除く): 3302043568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1061, 2122, 3347, 4244, 5305, 6694, 7427, 8488, 10610, 13388, 14854, 16735, 16976, 21220, 23429, 26776, 29708, 33470, 37135, 42440, 46858, 53552, 59416, 66940, 74270, 84880, 93716, 117145, 118832, 133880, 148540, 187432, 234290, 267760, 297080, 374864, 468580, 594160, 937160, 1874320, 3551167, 7102334, 14204668, 17755835, 24858169, 28409336, 35511670, 49716338, 56818672, 71023340, 99432676, 124290845, 142046680, 198865352, 248581690, 284093360, 397730704, 497163380, 994326760, 1988653520]

約数ペア:

[(1, 1988653520), (2, 994326760), (4, 497163380), (5, 397730704), (7, 284093360), (8, 248581690), (10, 198865352), (14, 142046680), (16, 124290845), (20, 99432676), (28, 71023340), (35, 56818672), (40, 49716338), (56, 35511670), (70, 28409336), (80, 24858169), (112, 17755835), (140, 14204668), (280, 7102334), (560, 3551167), (1061, 1874320), (2122, 937160), (3347, 594160), (4244, 468580), (5305, 374864), (6694, 297080), (7427, 267760), (8488, 234290), (10610, 187432), (13388, 148540), (14854, 133880), (16735, 118832), (16976, 117145), (21220, 93716), (23429, 84880), (26776, 74270), (29708, 66940), (33470, 59416), (37135, 53552), (42440, 46858)]