2921620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{661}}^1$

素因数の和:700

約数の個数: 48

約数和(自身を含む): 7006608

約数和(自身を除く): 4084988

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 661, 884, 1105, 1322, 2210, 2644, 3305, 4420, 6610, 8593, 11237, 13220, 17186, 22474, 34372, 42965, 44948, 56185, 85930, 112370, 146081, 171860, 224740, 292162, 584324, 730405, 1460810, 2921620]

約数ペア:

[(1, 2921620), (2, 1460810), (4, 730405), (5, 584324), (10, 292162), (13, 224740), (17, 171860), (20, 146081), (26, 112370), (34, 85930), (52, 56185), (65, 44948), (68, 42965), (85, 34372), (130, 22474), (170, 17186), (221, 13220), (260, 11237), (340, 8593), (442, 6610), (661, 4420), (884, 3305), (1105, 2644), (1322, 2210)]