78533980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{15161}}^1$

素因数の和:15214

約数の個数: 48

約数和(自身を含む): 193588416

約数和(自身を除く): 115054436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 15161, 30322, 60644, 75805, 106127, 151610, 212254, 303220, 424508, 530635, 560957, 1061270, 1121914, 2122540, 2243828, 2804785, 3926699, 5609570, 7853398, 11219140, 15706796, 19633495, 39266990, 78533980]

約数ペア:

[(1, 78533980), (2, 39266990), (4, 19633495), (5, 15706796), (7, 11219140), (10, 7853398), (14, 5609570), (20, 3926699), (28, 2804785), (35, 2243828), (37, 2122540), (70, 1121914), (74, 1061270), (140, 560957), (148, 530635), (185, 424508), (259, 303220), (370, 212254), (518, 151610), (740, 106127), (1036, 75805), (1295, 60644), (2590, 30322), (5180, 15161)]