157212940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{677}}^1\times {\mathrm{683}}^1$

素因数の和:1386

約数の個数: 48

約数和(自身を含む): 350596512

約数和(自身を除く): 193383572

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 677, 683, 1354, 1366, 2708, 2732, 3385, 3415, 6770, 6830, 11509, 11611, 13540, 13660, 23018, 23222, 46036, 46444, 57545, 58055, 115090, 116110, 230180, 232220, 462391, 924782, 1849564, 2311955, 4623910, 7860647, 9247820, 15721294, 31442588, 39303235, 78606470, 157212940]

約数ペア:

[(1, 157212940), (2, 78606470), (4, 39303235), (5, 31442588), (10, 15721294), (17, 9247820), (20, 7860647), (34, 4623910), (68, 2311955), (85, 1849564), (170, 924782), (340, 462391), (677, 232220), (683, 230180), (1354, 116110), (1366, 115090), (2708, 58055), (2732, 57545), (3385, 46444), (3415, 46036), (6770, 23222), (6830, 23018), (11509, 13660), (11611, 13540)]