179281720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{563}}^1$

素因数の和:1012

約数の個数: 64

約数和(自身を含む): 426384000

約数和(自身を除く): 247102280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 419, 563, 760, 838, 1126, 1676, 2095, 2252, 2815, 3352, 4190, 4504, 5630, 7961, 8380, 10697, 11260, 15922, 16760, 21394, 22520, 31844, 39805, 42788, 53485, 63688, 79610, 85576, 106970, 159220, 213940, 235897, 318440, 427880, 471794, 943588, 1179485, 1887176, 2358970, 4482043, 4717940, 8964086, 9435880, 17928172, 22410215, 35856344, 44820430, 89640860, 179281720]

約数ペア:

[(1, 179281720), (2, 89640860), (4, 44820430), (5, 35856344), (8, 22410215), (10, 17928172), (19, 9435880), (20, 8964086), (38, 4717940), (40, 4482043), (76, 2358970), (95, 1887176), (152, 1179485), (190, 943588), (380, 471794), (419, 427880), (563, 318440), (760, 235897), (838, 213940), (1126, 159220), (1676, 106970), (2095, 85576), (2252, 79610), (2815, 63688), (3352, 53485), (4190, 42788), (4504, 39805), (5630, 31844), (7961, 22520), (8380, 21394), (10697, 16760), (11260, 15922)]