131098520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{317}}^1$

素因数の和:553

約数の個数: 96

約数和(自身を含む): 345844080

約数和(自身を除く): 214745560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 211, 245, 280, 317, 392, 422, 490, 634, 844, 980, 1055, 1268, 1477, 1585, 1688, 1960, 2110, 2219, 2536, 2954, 3170, 4220, 4438, 5908, 6340, 7385, 8440, 8876, 10339, 11095, 11816, 12680, 14770, 15533, 17752, 20678, 22190, 29540, 31066, 41356, 44380, 51695, 59080, 62132, 66887, 77665, 82712, 88760, 103390, 124264, 133774, 155330, 206780, 267548, 310660, 334435, 413560, 468209, 535096, 621320, 668870, 936418, 1337740, 1872836, 2341045, 2675480, 3277463, 3745672, 4682090, 6554926, 9364180, 13109852, 16387315, 18728360, 26219704, 32774630, 65549260, 131098520]

約数ペア:

[(1, 131098520), (2, 65549260), (4, 32774630), (5, 26219704), (7, 18728360), (8, 16387315), (10, 13109852), (14, 9364180), (20, 6554926), (28, 4682090), (35, 3745672), (40, 3277463), (49, 2675480), (56, 2341045), (70, 1872836), (98, 1337740), (140, 936418), (196, 668870), (211, 621320), (245, 535096), (280, 468209), (317, 413560), (392, 334435), (422, 310660), (490, 267548), (634, 206780), (844, 155330), (980, 133774), (1055, 124264), (1268, 103390), (1477, 88760), (1585, 82712), (1688, 77665), (1960, 66887), (2110, 62132), (2219, 59080), (2536, 51695), (2954, 44380), (3170, 41356), (4220, 31066), (4438, 29540), (5908, 22190), (6340, 20678), (7385, 17752), (8440, 15533), (8876, 14770), (10339, 12680), (11095, 11816)]