99490720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{421}}^1$

素因数の和:654

約数の個数: 96

約数和(自身を含む): 270539136

約数和(自身を除く): 171048416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 211, 224, 280, 421, 422, 560, 842, 844, 1055, 1120, 1477, 1684, 1688, 2105, 2110, 2947, 2954, 3368, 3376, 4210, 4220, 5894, 5908, 6736, 6752, 7385, 8420, 8440, 11788, 11816, 13472, 14735, 14770, 16840, 16880, 23576, 23632, 29470, 29540, 33680, 33760, 47152, 47264, 58940, 59080, 67360, 88831, 94304, 117880, 118160, 177662, 235760, 236320, 355324, 444155, 471520, 621817, 710648, 888310, 1243634, 1421296, 1776620, 2487268, 2842592, 3109085, 3553240, 4974536, 6218170, 7106480, 9949072, 12436340, 14212960, 19898144, 24872680, 49745360, 99490720]

約数ペア:

[(1, 99490720), (2, 49745360), (4, 24872680), (5, 19898144), (7, 14212960), (8, 12436340), (10, 9949072), (14, 7106480), (16, 6218170), (20, 4974536), (28, 3553240), (32, 3109085), (35, 2842592), (40, 2487268), (56, 1776620), (70, 1421296), (80, 1243634), (112, 888310), (140, 710648), (160, 621817), (211, 471520), (224, 444155), (280, 355324), (421, 236320), (422, 235760), (560, 177662), (842, 118160), (844, 117880), (1055, 94304), (1120, 88831), (1477, 67360), (1684, 59080), (1688, 58940), (2105, 47264), (2110, 47152), (2947, 33760), (2954, 33680), (3368, 29540), (3376, 29470), (4210, 23632), (4220, 23576), (5894, 16880), (5908, 16840), (6736, 14770), (6752, 14735), (7385, 13472), (8420, 11816), (8440, 11788)]