1227740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 2866752

約数和(自身を除く): 1639012

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 157, 170, 230, 314, 340, 391, 460, 628, 782, 785, 1564, 1570, 1955, 2669, 3140, 3611, 3910, 5338, 7222, 7820, 10676, 13345, 14444, 18055, 26690, 36110, 53380, 61387, 72220, 122774, 245548, 306935, 613870, 1227740]

約数ペア:

[(1, 1227740), (2, 613870), (4, 306935), (5, 245548), (10, 122774), (17, 72220), (20, 61387), (23, 53380), (34, 36110), (46, 26690), (68, 18055), (85, 14444), (92, 13345), (115, 10676), (157, 7820), (170, 7222), (230, 5338), (314, 3910), (340, 3611), (391, 3140), (460, 2669), (628, 1955), (782, 1570), (785, 1564)]