128827790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7451}}^1$

素因数の和:7497

約数の個数: 64

約数和(自身を含む): 300464640

約数和(自身を除く): 171636850

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 26, 35, 38, 65, 70, 91, 95, 130, 133, 182, 190, 247, 266, 455, 494, 665, 910, 1235, 1330, 1729, 2470, 3458, 7451, 8645, 14902, 17290, 37255, 52157, 74510, 96863, 104314, 141569, 193726, 260785, 283138, 484315, 521570, 678041, 707845, 968630, 990983, 1356082, 1415690, 1840397, 1981966, 3390205, 3680794, 4954915, 6780410, 9201985, 9909830, 12882779, 18403970, 25765558, 64413895, 128827790]

約数ペア:

[(1, 128827790), (2, 64413895), (5, 25765558), (7, 18403970), (10, 12882779), (13, 9909830), (14, 9201985), (19, 6780410), (26, 4954915), (35, 3680794), (38, 3390205), (65, 1981966), (70, 1840397), (91, 1415690), (95, 1356082), (130, 990983), (133, 968630), (182, 707845), (190, 678041), (247, 521570), (266, 484315), (455, 283138), (494, 260785), (665, 193726), (910, 141569), (1235, 104314), (1330, 96863), (1729, 74510), (2470, 52157), (3458, 37255), (7451, 17290), (8645, 14902)]