855654380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1229}}^1\times {\mathrm{4973}}^1$

素因数の和:6218

約数の個数: 48

約数和(自身を含む): 2055654720

約数和(自身を除く): 1200000340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1229, 2458, 4916, 4973, 6145, 8603, 9946, 12290, 17206, 19892, 24580, 24865, 34412, 34811, 43015, 49730, 69622, 86030, 99460, 139244, 172060, 174055, 348110, 696220, 6111817, 12223634, 24447268, 30559085, 42782719, 61118170, 85565438, 122236340, 171130876, 213913595, 427827190, 855654380]

約数ペア:

[(1, 855654380), (2, 427827190), (4, 213913595), (5, 171130876), (7, 122236340), (10, 85565438), (14, 61118170), (20, 42782719), (28, 30559085), (35, 24447268), (70, 12223634), (140, 6111817), (1229, 696220), (2458, 348110), (4916, 174055), (4973, 172060), (6145, 139244), (8603, 99460), (9946, 86030), (12290, 69622), (17206, 49730), (19892, 43015), (24580, 34811), (24865, 34412)]