720558730

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1\times {\mathrm{5393}}^1$

素因数の和:5862

約数の個数: 32

約数和(自身を含む): 1342199808

約数和(自身を除く): 621641078

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 431, 862, 2155, 4310, 5393, 10786, 13361, 26722, 26965, 53930, 66805, 133610, 167183, 334366, 835915, 1671830, 2324383, 4648766, 11621915, 23243830, 72055873, 144111746, 360279365, 720558730]

約数ペア:

[(1, 720558730), (2, 360279365), (5, 144111746), (10, 72055873), (31, 23243830), (62, 11621915), (155, 4648766), (310, 2324383), (431, 1671830), (862, 835915), (2155, 334366), (4310, 167183), (5393, 133610), (10786, 66805), (13361, 53930), (26722, 26965)]