221796250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{13649}}^1$

素因数の和:13684

約数の個数: 40

約数和(自身を含む): 447747300

約数和(自身を除く): 225951050

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 625, 650, 1250, 1625, 3250, 8125, 13649, 16250, 27298, 68245, 136490, 177437, 341225, 354874, 682450, 887185, 1706125, 1774370, 3412250, 4435925, 8530625, 8871850, 17061250, 22179625, 44359250, 110898125, 221796250]

約数ペア:

[(1, 221796250), (2, 110898125), (5, 44359250), (10, 22179625), (13, 17061250), (25, 8871850), (26, 8530625), (50, 4435925), (65, 3412250), (125, 1774370), (130, 1706125), (250, 887185), (325, 682450), (625, 354874), (650, 341225), (1250, 177437), (1625, 136490), (3250, 68245), (8125, 27298), (13649, 16250)]