169821100

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1889}}^1$

素因数の和:1963

約数の個数: 72

約数和(自身を含む): 393724800

約数和(自身を除く): 223903700

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 31, 50, 58, 62, 100, 116, 124, 145, 155, 290, 310, 580, 620, 725, 775, 899, 1450, 1550, 1798, 1889, 2900, 3100, 3596, 3778, 4495, 7556, 8990, 9445, 17980, 18890, 22475, 37780, 44950, 47225, 54781, 58559, 89900, 94450, 109562, 117118, 188900, 219124, 234236, 273905, 292795, 547810, 585590, 1095620, 1171180, 1369525, 1463975, 1698211, 2739050, 2927950, 3396422, 5478100, 5855900, 6792844, 8491055, 16982110, 33964220, 42455275, 84910550, 169821100]

約数ペア:

[(1, 169821100), (2, 84910550), (4, 42455275), (5, 33964220), (10, 16982110), (20, 8491055), (25, 6792844), (29, 5855900), (31, 5478100), (50, 3396422), (58, 2927950), (62, 2739050), (100, 1698211), (116, 1463975), (124, 1369525), (145, 1171180), (155, 1095620), (290, 585590), (310, 547810), (580, 292795), (620, 273905), (725, 234236), (775, 219124), (899, 188900), (1450, 117118), (1550, 109562), (1798, 94450), (1889, 89900), (2900, 58559), (3100, 54781), (3596, 47225), (3778, 44950), (4495, 37780), (7556, 22475), (8990, 18890), (9445, 17980)]