488441660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{49139}}^1$

素因数の和:49226

約数の個数: 48

約数和(自身を含む): 1188794880

約数和(自身を除く): 700353220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 49139, 98278, 196556, 245695, 343973, 491390, 687946, 982780, 1375892, 1719865, 3439730, 3488869, 6879460, 6977738, 13955476, 17444345, 24422083, 34888690, 48844166, 69777380, 97688332, 122110415, 244220830, 488441660]

約数ペア:

[(1, 488441660), (2, 244220830), (4, 122110415), (5, 97688332), (7, 69777380), (10, 48844166), (14, 34888690), (20, 24422083), (28, 17444345), (35, 13955476), (70, 6977738), (71, 6879460), (140, 3488869), (142, 3439730), (284, 1719865), (355, 1375892), (497, 982780), (710, 687946), (994, 491390), (1420, 343973), (1988, 245695), (2485, 196556), (4970, 98278), (9940, 49139)]