150420040

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{21737}}^1$

素因数の和:21921

約数の個数: 32

約数和(自身を含む): 340417080

約数和(自身を除く): 189997040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 21737, 43474, 86948, 108685, 173896, 217370, 434740, 869480, 3760501, 7521002, 15042004, 18802505, 30084008, 37605010, 75210020, 150420040]

約数ペア:

[(1, 150420040), (2, 75210020), (4, 37605010), (5, 30084008), (8, 18802505), (10, 15042004), (20, 7521002), (40, 3760501), (173, 869480), (346, 434740), (692, 217370), (865, 173896), (1384, 108685), (1730, 86948), (3460, 43474), (6920, 21737)]