281253050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{2591}}^1$

素因数の和:2783

約数の個数: 48

約数和(自身を含む): 566963712

約数和(自身を除く): 285710662

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 167, 325, 334, 650, 835, 1670, 2171, 2591, 4175, 4342, 5182, 8350, 10855, 12955, 21710, 25910, 33683, 54275, 64775, 67366, 108550, 129550, 168415, 336830, 432697, 842075, 865394, 1684150, 2163485, 4326970, 5625061, 10817425, 11250122, 21634850, 28125305, 56250610, 140626525, 281253050]

約数ペア:

[(1, 281253050), (2, 140626525), (5, 56250610), (10, 28125305), (13, 21634850), (25, 11250122), (26, 10817425), (50, 5625061), (65, 4326970), (130, 2163485), (167, 1684150), (325, 865394), (334, 842075), (650, 432697), (835, 336830), (1670, 168415), (2171, 129550), (2591, 108550), (4175, 67366), (4342, 64775), (5182, 54275), (8350, 33683), (10855, 25910), (12955, 21710)]