205978430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{154871}}^1$

素因数の和:154904

約数の個数: 32

約数和(自身を含む): 446031360

約数和(自身を除く): 240052930

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 154871, 309742, 774355, 1084097, 1548710, 2168194, 2942549, 5420485, 5885098, 10840970, 14712745, 20597843, 29425490, 41195686, 102989215, 205978430]

約数ペア:

[(1, 205978430), (2, 102989215), (5, 41195686), (7, 29425490), (10, 20597843), (14, 14712745), (19, 10840970), (35, 5885098), (38, 5420485), (70, 2942549), (95, 2168194), (133, 1548710), (190, 1084097), (266, 774355), (665, 309742), (1330, 154871)]