201916360

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^2\times {\mathrm{181}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 459573660

約数和(自身を除く): 257657300

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 181, 334, 362, 668, 724, 835, 905, 1336, 1448, 1670, 1810, 3340, 3620, 6680, 7240, 27889, 30227, 55778, 60454, 111556, 120908, 139445, 151135, 223112, 241816, 278890, 302270, 557780, 604540, 1115560, 1209080, 5047909, 10095818, 20191636, 25239545, 40383272, 50479090, 100958180, 201916360]

約数ペア:

[(1, 201916360), (2, 100958180), (4, 50479090), (5, 40383272), (8, 25239545), (10, 20191636), (20, 10095818), (40, 5047909), (167, 1209080), (181, 1115560), (334, 604540), (362, 557780), (668, 302270), (724, 278890), (835, 241816), (905, 223112), (1336, 151135), (1448, 139445), (1670, 120908), (1810, 111556), (3340, 60454), (3620, 55778), (6680, 30227), (7240, 27889)]