284163980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{677}}^2$

素因数の和:1394

約数の個数: 36

約数和(自身を含む): 616905408

約数和(自身を除く): 332741428

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 677, 1354, 2708, 3385, 6770, 13540, 20987, 41974, 83948, 104935, 209870, 419740, 458329, 916658, 1833316, 2291645, 4583290, 9166580, 14208199, 28416398, 56832796, 71040995, 142081990, 284163980]

約数ペア:

[(1, 284163980), (2, 142081990), (4, 71040995), (5, 56832796), (10, 28416398), (20, 14208199), (31, 9166580), (62, 4583290), (124, 2291645), (155, 1833316), (310, 916658), (620, 458329), (677, 419740), (1354, 209870), (2708, 104935), (3385, 83948), (6770, 41974), (13540, 20987)]