129931880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{13151}}^1$

素因数の和:13194

約数の個数: 64

約数和(自身を含む): 331430400

約数和(自身を除く): 201498520

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 13151, 26302, 52604, 65755, 105208, 131510, 170963, 249869, 263020, 341926, 499738, 526040, 683852, 854815, 999476, 1249345, 1367704, 1709630, 1998952, 2498690, 3248297, 3419260, 4997380, 6496594, 6838520, 9994760, 12993188, 16241485, 25986376, 32482970, 64965940, 129931880]

約数ペア:

[(1, 129931880), (2, 64965940), (4, 32482970), (5, 25986376), (8, 16241485), (10, 12993188), (13, 9994760), (19, 6838520), (20, 6496594), (26, 4997380), (38, 3419260), (40, 3248297), (52, 2498690), (65, 1998952), (76, 1709630), (95, 1367704), (104, 1249345), (130, 999476), (152, 854815), (190, 683852), (247, 526040), (260, 499738), (380, 341926), (494, 263020), (520, 249869), (760, 170963), (988, 131510), (1235, 105208), (1976, 65755), (2470, 52604), (4940, 26302), (9880, 13151)]