9712420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{419}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 21873600

約数和(自身を除く): 12161180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 190, 244, 305, 380, 419, 610, 838, 1159, 1220, 1676, 2095, 2318, 4190, 4636, 5795, 7961, 8380, 11590, 15922, 23180, 25559, 31844, 39805, 51118, 79610, 102236, 127795, 159220, 255590, 485621, 511180, 971242, 1942484, 2428105, 4856210, 9712420]

約数ペア:

[(1, 9712420), (2, 4856210), (4, 2428105), (5, 1942484), (10, 971242), (19, 511180), (20, 485621), (38, 255590), (61, 159220), (76, 127795), (95, 102236), (122, 79610), (190, 51118), (244, 39805), (305, 31844), (380, 25559), (419, 23180), (610, 15922), (838, 11590), (1159, 8380), (1220, 7961), (1676, 5795), (2095, 4636), (2318, 4190)]