269620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:100

約数の個数: 48

約数和(自身を含む): 656208

約数和(自身を除く): 386588

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 61, 65, 68, 85, 122, 130, 170, 221, 244, 260, 305, 340, 442, 610, 793, 884, 1037, 1105, 1220, 1586, 2074, 2210, 3172, 3965, 4148, 4420, 5185, 7930, 10370, 13481, 15860, 20740, 26962, 53924, 67405, 134810, 269620]

約数ペア:

[(1, 269620), (2, 134810), (4, 67405), (5, 53924), (10, 26962), (13, 20740), (17, 15860), (20, 13481), (26, 10370), (34, 7930), (52, 5185), (61, 4420), (65, 4148), (68, 3965), (85, 3172), (122, 2210), (130, 2074), (170, 1586), (221, 1220), (244, 1105), (260, 1037), (305, 884), (340, 793), (442, 610)]