156900860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{1459}}^1$

素因数の和:1770

約数の個数: 48

約数和(自身を含む): 348297600

約数和(自身を除く): 191396740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 283, 380, 566, 1132, 1415, 1459, 2830, 2918, 5377, 5660, 5836, 7295, 10754, 14590, 21508, 26885, 27721, 29180, 53770, 55442, 107540, 110884, 138605, 277210, 412897, 554420, 825794, 1651588, 2064485, 4128970, 7845043, 8257940, 15690086, 31380172, 39225215, 78450430, 156900860]

約数ペア:

[(1, 156900860), (2, 78450430), (4, 39225215), (5, 31380172), (10, 15690086), (19, 8257940), (20, 7845043), (38, 4128970), (76, 2064485), (95, 1651588), (190, 825794), (283, 554420), (380, 412897), (566, 277210), (1132, 138605), (1415, 110884), (1459, 107540), (2830, 55442), (2918, 53770), (5377, 29180), (5660, 27721), (5836, 26885), (7295, 21508), (10754, 14590)]