42244940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1117}}^1$

素因数の和:1218

約数の個数: 48

約数和(自身を含む): 93160704

約数和(自身を除く): 50915764

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 122, 124, 155, 244, 305, 310, 610, 620, 1117, 1220, 1891, 2234, 3782, 4468, 5585, 7564, 9455, 11170, 18910, 22340, 34627, 37820, 68137, 69254, 136274, 138508, 173135, 272548, 340685, 346270, 681370, 692540, 1362740, 2112247, 4224494, 8448988, 10561235, 21122470, 42244940]

約数ペア:

[(1, 42244940), (2, 21122470), (4, 10561235), (5, 8448988), (10, 4224494), (20, 2112247), (31, 1362740), (61, 692540), (62, 681370), (122, 346270), (124, 340685), (155, 272548), (244, 173135), (305, 138508), (310, 136274), (610, 69254), (620, 68137), (1117, 37820), (1220, 34627), (1891, 22340), (2234, 18910), (3782, 11170), (4468, 9455), (5585, 7564)]