156779705380

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{1153}}^1\times {\mathrm{3677}}^1$

素因数の和:4925

約数の個数: 72

約数和(自身を含む): 337456220472

約数和(自身を除く): 180676515092

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1153, 1849, 2306, 3677, 3698, 4612, 5765, 7354, 7396, 9245, 11530, 14708, 18385, 18490, 23060, 36770, 36980, 49579, 73540, 99158, 158111, 198316, 247895, 316222, 495790, 632444, 790555, 991580, 1581110, 2131897, 3162220, 4239581, 4263794, 6798773, 8479162, 8527588, 10659485, 13597546, 16958324, 21197905, 21318970, 27195092, 33993865, 42395810, 42637940, 67987730, 84791620, 135975460, 182301983, 364603966, 729207932, 911509915, 1823019830, 3646039660, 7838985269, 15677970538, 31355941076, 39194926345, 78389852690, 156779705380]

約数ペア:

[(1, 156779705380), (2, 78389852690), (4, 39194926345), (5, 31355941076), (10, 15677970538), (20, 7838985269), (43, 3646039660), (86, 1823019830), (172, 911509915), (215, 729207932), (430, 364603966), (860, 182301983), (1153, 135975460), (1849, 84791620), (2306, 67987730), (3677, 42637940), (3698, 42395810), (4612, 33993865), (5765, 27195092), (7354, 21318970), (7396, 21197905), (9245, 16958324), (11530, 13597546), (14708, 10659485), (18385, 8527588), (18490, 8479162), (23060, 6798773), (36770, 4263794), (36980, 4239581), (49579, 3162220), (73540, 2131897), (99158, 1581110), (158111, 991580), (198316, 790555), (247895, 632444), (316222, 495790)]