1391675650

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{8867}}^1$

素因数の和:8995

約数の個数: 48

約数和(自身を含む): 2685301344

約数和(自身を除く): 1293625694

約数列:

[1, 2, 5, 10, 25, 43, 50, 73, 86, 146, 215, 365, 430, 730, 1075, 1825, 2150, 3139, 3650, 6278, 8867, 15695, 17734, 31390, 44335, 78475, 88670, 156950, 221675, 381281, 443350, 647291, 762562, 1294582, 1906405, 3236455, 3812810, 6472910, 9532025, 16182275, 19064050, 27833513, 32364550, 55667026, 139167565, 278335130, 695837825, 1391675650]

約数ペア:

[(1, 1391675650), (2, 695837825), (5, 278335130), (10, 139167565), (25, 55667026), (43, 32364550), (50, 27833513), (73, 19064050), (86, 16182275), (146, 9532025), (215, 6472910), (365, 3812810), (430, 3236455), (730, 1906405), (1075, 1294582), (1825, 762562), (2150, 647291), (3139, 443350), (3650, 381281), (6278, 221675), (8867, 156950), (15695, 88670), (17734, 78475), (31390, 44335)]