55418020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{293}}^1$

素因数の和:509

約数の個数: 72

約数和(自身を含む): 136544184

約数和(自身を除く): 81126164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 193, 196, 245, 293, 386, 490, 586, 772, 965, 980, 1172, 1351, 1465, 1930, 2051, 2702, 2930, 3860, 4102, 5404, 5860, 6755, 8204, 9457, 10255, 13510, 14357, 18914, 20510, 27020, 28714, 37828, 41020, 47285, 56549, 57428, 71785, 94570, 113098, 143570, 189140, 226196, 282745, 287140, 395843, 565490, 791686, 1130980, 1583372, 1979215, 2770901, 3958430, 5541802, 7916860, 11083604, 13854505, 27709010, 55418020]

約数ペア:

[(1, 55418020), (2, 27709010), (4, 13854505), (5, 11083604), (7, 7916860), (10, 5541802), (14, 3958430), (20, 2770901), (28, 1979215), (35, 1583372), (49, 1130980), (70, 791686), (98, 565490), (140, 395843), (193, 287140), (196, 282745), (245, 226196), (293, 189140), (386, 143570), (490, 113098), (586, 94570), (772, 71785), (965, 57428), (980, 56549), (1172, 47285), (1351, 41020), (1465, 37828), (1930, 28714), (2051, 27020), (2702, 20510), (2930, 18914), (3860, 14357), (4102, 13510), (5404, 10255), (5860, 9457), (6755, 8204)]