201401980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{673}}^1\times {\mathrm{1151}}^1$

素因数の和:1846

約数の個数: 48

約数和(自身を含む): 456551424

約数和(自身を除く): 255149444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 673, 1151, 1346, 2302, 2692, 3365, 4604, 5755, 6730, 8749, 11510, 13460, 14963, 17498, 23020, 29926, 34996, 43745, 59852, 74815, 87490, 149630, 174980, 299260, 774623, 1549246, 3098492, 3873115, 7746230, 10070099, 15492460, 20140198, 40280396, 50350495, 100700990, 201401980]

約数ペア:

[(1, 201401980), (2, 100700990), (4, 50350495), (5, 40280396), (10, 20140198), (13, 15492460), (20, 10070099), (26, 7746230), (52, 3873115), (65, 3098492), (130, 1549246), (260, 774623), (673, 299260), (1151, 174980), (1346, 149630), (2302, 87490), (2692, 74815), (3365, 59852), (4604, 43745), (5755, 34996), (6730, 29926), (8749, 23020), (11510, 17498), (13460, 14963)]