215196309740

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{2261891}}^1$

素因数の和:2262038

約数の個数: 48

約数和(自身を含む): 465117375744

約数和(自身を除く): 249921066004

約数列:

[1, 2, 4, 5, 10, 20, 67, 71, 134, 142, 268, 284, 335, 355, 670, 710, 1340, 1420, 4757, 9514, 19028, 23785, 47570, 95140, 2261891, 4523782, 9047564, 11309455, 22618910, 45237820, 151546697, 160594261, 303093394, 321188522, 606186788, 642377044, 757733485, 802971305, 1515466970, 1605942610, 3030933940, 3211885220, 10759815487, 21519630974, 43039261948, 53799077435, 107598154870, 215196309740]

約数ペア:

[(1, 215196309740), (2, 107598154870), (4, 53799077435), (5, 43039261948), (10, 21519630974), (20, 10759815487), (67, 3211885220), (71, 3030933940), (134, 1605942610), (142, 1515466970), (268, 802971305), (284, 757733485), (335, 642377044), (355, 606186788), (670, 321188522), (710, 303093394), (1340, 160594261), (1420, 151546697), (4757, 45237820), (9514, 22618910), (19028, 11309455), (23785, 9047564), (47570, 4523782), (95140, 2261891)]