305429440

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{15647}}^1$

素因数の和:15725

約数の個数: 56

約数和(自身を含む): 739274112

約数和(自身を除く): 433844672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 488, 610, 976, 1220, 1952, 2440, 3904, 4880, 9760, 15647, 19520, 31294, 62588, 78235, 125176, 156470, 250352, 312940, 500704, 625880, 954467, 1001408, 1251760, 1908934, 2503520, 3817868, 4772335, 5007040, 7635736, 9544670, 15271472, 19089340, 30542944, 38178680, 61085888, 76357360, 152714720, 305429440]

約数ペア:

[(1, 305429440), (2, 152714720), (4, 76357360), (5, 61085888), (8, 38178680), (10, 30542944), (16, 19089340), (20, 15271472), (32, 9544670), (40, 7635736), (61, 5007040), (64, 4772335), (80, 3817868), (122, 2503520), (160, 1908934), (244, 1251760), (305, 1001408), (320, 954467), (488, 625880), (610, 500704), (976, 312940), (1220, 250352), (1952, 156470), (2440, 125176), (3904, 78235), (4880, 62588), (9760, 31294), (15647, 19520)]