198250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:91

約数の個数: 32

約数和(自身を含む): 406224

約数和(自身を除く): 207974

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 61, 65, 122, 125, 130, 250, 305, 325, 610, 650, 793, 1525, 1586, 1625, 3050, 3250, 3965, 7625, 7930, 15250, 19825, 39650, 99125, 198250]

約数ペア:

[(1, 198250), (2, 99125), (5, 39650), (10, 19825), (13, 15250), (25, 7930), (26, 7625), (50, 3965), (61, 3250), (65, 3050), (122, 1625), (125, 1586), (130, 1525), (250, 793), (305, 650), (325, 610)]