245570840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{6829}}^1$

素因数の和:6900

約数の個数: 64

約数和(自身を含む): 590112000

約数和(自身を除く): 344541160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 62, 116, 124, 145, 155, 232, 248, 290, 310, 580, 620, 899, 1160, 1240, 1798, 3596, 4495, 6829, 7192, 8990, 13658, 17980, 27316, 34145, 35960, 54632, 68290, 136580, 198041, 211699, 273160, 396082, 423398, 792164, 846796, 990205, 1058495, 1584328, 1693592, 1980410, 2116990, 3960820, 4233980, 6139271, 7921640, 8467960, 12278542, 24557084, 30696355, 49114168, 61392710, 122785420, 245570840]

約数ペア:

[(1, 245570840), (2, 122785420), (4, 61392710), (5, 49114168), (8, 30696355), (10, 24557084), (20, 12278542), (29, 8467960), (31, 7921640), (40, 6139271), (58, 4233980), (62, 3960820), (116, 2116990), (124, 1980410), (145, 1693592), (155, 1584328), (232, 1058495), (248, 990205), (290, 846796), (310, 792164), (580, 423398), (620, 396082), (899, 273160), (1160, 211699), (1240, 198041), (1798, 136580), (3596, 68290), (4495, 54632), (6829, 35960), (7192, 34145), (8990, 27316), (13658, 17980)]