245874580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{6997}}^1$

素因数の和:7264

約数の個数: 48

約数和(自身を含む): 592534656

約数和(自身を除く): 346660076

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 251, 502, 1004, 1255, 1757, 2510, 3514, 5020, 6997, 7028, 8785, 13994, 17570, 27988, 34985, 35140, 48979, 69970, 97958, 139940, 195916, 244895, 489790, 979580, 1756247, 3512494, 7024988, 8781235, 12293729, 17562470, 24587458, 35124940, 49174916, 61468645, 122937290, 245874580]

約数ペア:

[(1, 245874580), (2, 122937290), (4, 61468645), (5, 49174916), (7, 35124940), (10, 24587458), (14, 17562470), (20, 12293729), (28, 8781235), (35, 7024988), (70, 3512494), (140, 1756247), (251, 979580), (502, 489790), (1004, 244895), (1255, 195916), (1757, 139940), (2510, 97958), (3514, 69970), (5020, 48979), (6997, 35140), (7028, 34985), (8785, 27988), (13994, 17570)]