212589940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{3329}}^1$

素因数の和:3472

約数の個数: 48

約数和(自身を含む): 465454080

約数和(自身を除く): 252864140

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 103, 124, 155, 206, 310, 412, 515, 620, 1030, 2060, 3193, 3329, 6386, 6658, 12772, 13316, 15965, 16645, 31930, 33290, 63860, 66580, 103199, 206398, 342887, 412796, 515995, 685774, 1031990, 1371548, 1714435, 2063980, 3428870, 6857740, 10629497, 21258994, 42517988, 53147485, 106294970, 212589940]

約数ペア:

[(1, 212589940), (2, 106294970), (4, 53147485), (5, 42517988), (10, 21258994), (20, 10629497), (31, 6857740), (62, 3428870), (103, 2063980), (124, 1714435), (155, 1371548), (206, 1031990), (310, 685774), (412, 515995), (515, 412796), (620, 342887), (1030, 206398), (2060, 103199), (3193, 66580), (3329, 63860), (6386, 33290), (6658, 31930), (12772, 16645), (13316, 15965)]