257910700

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{307}}^1$

素因数の和:623

約数の個数: 72

約数和(自身を含む): 581740544

約数和(自身を除く): 323829844

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 271, 307, 310, 542, 614, 620, 775, 1084, 1228, 1355, 1535, 1550, 2710, 3070, 3100, 5420, 6140, 6775, 7675, 8401, 9517, 13550, 15350, 16802, 19034, 27100, 30700, 33604, 38068, 42005, 47585, 83197, 84010, 95170, 166394, 168020, 190340, 210025, 237925, 332788, 415985, 420050, 475850, 831970, 840100, 951700, 1663940, 2079925, 2579107, 4159850, 5158214, 8319700, 10316428, 12895535, 25791070, 51582140, 64477675, 128955350, 257910700]

約数ペア:

[(1, 257910700), (2, 128955350), (4, 64477675), (5, 51582140), (10, 25791070), (20, 12895535), (25, 10316428), (31, 8319700), (50, 5158214), (62, 4159850), (100, 2579107), (124, 2079925), (155, 1663940), (271, 951700), (307, 840100), (310, 831970), (542, 475850), (614, 420050), (620, 415985), (775, 332788), (1084, 237925), (1228, 210025), (1355, 190340), (1535, 168020), (1550, 166394), (2710, 95170), (3070, 84010), (3100, 83197), (5420, 47585), (6140, 42005), (6775, 38068), (7675, 33604), (8401, 30700), (9517, 27100), (13550, 19034), (15350, 16802)]