118618900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{419}}^1$

素因数の和:601

約数の個数: 72

約数和(自身を含む): 273420000

約数和(自身を除く): 154801100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 149, 190, 298, 380, 419, 475, 596, 745, 838, 950, 1490, 1676, 1900, 2095, 2831, 2980, 3725, 4190, 5662, 7450, 7961, 8380, 10475, 11324, 14155, 14900, 15922, 20950, 28310, 31844, 39805, 41900, 56620, 62431, 70775, 79610, 124862, 141550, 159220, 199025, 249724, 283100, 312155, 398050, 624310, 796100, 1186189, 1248620, 1560775, 2372378, 3121550, 4744756, 5930945, 6243100, 11861890, 23723780, 29654725, 59309450, 118618900]

約数ペア:

[(1, 118618900), (2, 59309450), (4, 29654725), (5, 23723780), (10, 11861890), (19, 6243100), (20, 5930945), (25, 4744756), (38, 3121550), (50, 2372378), (76, 1560775), (95, 1248620), (100, 1186189), (149, 796100), (190, 624310), (298, 398050), (380, 312155), (419, 283100), (475, 249724), (596, 199025), (745, 159220), (838, 141550), (950, 124862), (1490, 79610), (1676, 70775), (1900, 62431), (2095, 56620), (2831, 41900), (2980, 39805), (3725, 31844), (4190, 28310), (5662, 20950), (7450, 15922), (7961, 14900), (8380, 14155), (10475, 11324)]