213040990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{3001}}^1$

素因数の和:3268

約数の個数: 32

約数和(自身を含む): 397704960

約数和(自身を除く): 184663970

約数列:

[1, 2, 5, 10, 31, 62, 155, 229, 310, 458, 1145, 2290, 3001, 6002, 7099, 14198, 15005, 30010, 35495, 70990, 93031, 186062, 465155, 687229, 930310, 1374458, 3436145, 6872290, 21304099, 42608198, 106520495, 213040990]

約数ペア:

[(1, 213040990), (2, 106520495), (5, 42608198), (10, 21304099), (31, 6872290), (62, 3436145), (155, 1374458), (229, 930310), (310, 687229), (458, 465155), (1145, 186062), (2290, 93031), (3001, 70990), (6002, 35495), (7099, 30010), (14198, 15005)]