421551250

素因数分解:

$2^1\times 5^4\times {\mathrm{29}}^2\times {\mathrm{401}}^1$

素因数の和:481

約数の個数: 60

約数和(自身を含む): 820382706

約数和(自身を除く): 398831456

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 125, 145, 250, 290, 401, 625, 725, 802, 841, 1250, 1450, 1682, 2005, 3625, 4010, 4205, 7250, 8410, 10025, 11629, 18125, 20050, 21025, 23258, 36250, 42050, 50125, 58145, 100250, 105125, 116290, 210250, 250625, 290725, 337241, 501250, 525625, 581450, 674482, 1051250, 1453625, 1686205, 2907250, 3372410, 7268125, 8431025, 14536250, 16862050, 42155125, 84310250, 210775625, 421551250]

約数ペア:

[(1, 421551250), (2, 210775625), (5, 84310250), (10, 42155125), (25, 16862050), (29, 14536250), (50, 8431025), (58, 7268125), (125, 3372410), (145, 2907250), (250, 1686205), (290, 1453625), (401, 1051250), (625, 674482), (725, 581450), (802, 525625), (841, 501250), (1250, 337241), (1450, 290725), (1682, 250625), (2005, 210250), (3625, 116290), (4010, 105125), (4205, 100250), (7250, 58145), (8410, 50125), (10025, 42050), (11629, 36250), (18125, 23258), (20050, 21025)]