268353080

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{349}}^1\times {\mathrm{409}}^1$

素因数の和:816

約数の個数: 64

約数和(自身を含む): 619920000

約数和(自身を除く): 351566920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 349, 376, 409, 470, 698, 818, 940, 1396, 1636, 1745, 1880, 2045, 2792, 3272, 3490, 4090, 6980, 8180, 13960, 16360, 16403, 19223, 32806, 38446, 65612, 76892, 82015, 96115, 131224, 142741, 153784, 164030, 192230, 285482, 328060, 384460, 570964, 656120, 713705, 768920, 1141928, 1427410, 2854820, 5709640, 6708827, 13417654, 26835308, 33544135, 53670616, 67088270, 134176540, 268353080]

約数ペア:

[(1, 268353080), (2, 134176540), (4, 67088270), (5, 53670616), (8, 33544135), (10, 26835308), (20, 13417654), (40, 6708827), (47, 5709640), (94, 2854820), (188, 1427410), (235, 1141928), (349, 768920), (376, 713705), (409, 656120), (470, 570964), (698, 384460), (818, 328060), (940, 285482), (1396, 192230), (1636, 164030), (1745, 153784), (1880, 142741), (2045, 131224), (2792, 96115), (3272, 82015), (3490, 76892), (4090, 65612), (6980, 38446), (8180, 32806), (13960, 19223), (16360, 16403)]