155784040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{204979}}^1$

素因数の和:205009

約数の個数: 32

約数和(自身を含む): 368964000

約数和(自身を除く): 213179960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 204979, 409958, 819916, 1024895, 1639832, 2049790, 3894601, 4099580, 7789202, 8199160, 15578404, 19473005, 31156808, 38946010, 77892020, 155784040]

約数ペア:

[(1, 155784040), (2, 77892020), (4, 38946010), (5, 31156808), (8, 19473005), (10, 15578404), (19, 8199160), (20, 7789202), (38, 4099580), (40, 3894601), (76, 2049790), (95, 1639832), (152, 1024895), (190, 819916), (380, 409958), (760, 204979)]