251012690

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:347

約数の個数: 64

約数和(自身を含む): 483356160

約数和(自身を除く): 232343470

約数列:

[1, 2, 5, 10, 29, 58, 71, 73, 142, 145, 146, 167, 290, 334, 355, 365, 710, 730, 835, 1670, 2059, 2117, 4118, 4234, 4843, 5183, 9686, 10295, 10366, 10585, 11857, 12191, 20590, 21170, 23714, 24215, 24382, 25915, 48430, 51830, 59285, 60955, 118570, 121910, 150307, 300614, 343853, 353539, 687706, 707078, 751535, 865561, 1503070, 1719265, 1731122, 1767695, 3438530, 3535390, 4327805, 8655610, 25101269, 50202538, 125506345, 251012690]

約数ペア:

[(1, 251012690), (2, 125506345), (5, 50202538), (10, 25101269), (29, 8655610), (58, 4327805), (71, 3535390), (73, 3438530), (142, 1767695), (145, 1731122), (146, 1719265), (167, 1503070), (290, 865561), (334, 751535), (355, 707078), (365, 687706), (710, 353539), (730, 343853), (835, 300614), (1670, 150307), (2059, 121910), (2117, 118570), (4118, 60955), (4234, 59285), (4843, 51830), (5183, 48430), (9686, 25915), (10295, 24382), (10366, 24215), (10585, 23714), (11857, 21170), (12191, 20590)]