18320900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{829}}^1$

素因数の和:873

約数の個数: 72

約数和(自身を含む): 45387720

約数和(自身を除く): 27066820

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 34, 50, 52, 65, 68, 85, 100, 130, 170, 221, 260, 325, 340, 425, 442, 650, 829, 850, 884, 1105, 1300, 1658, 1700, 2210, 3316, 4145, 4420, 5525, 8290, 10777, 11050, 14093, 16580, 20725, 21554, 22100, 28186, 41450, 43108, 53885, 56372, 70465, 82900, 107770, 140930, 183209, 215540, 269425, 281860, 352325, 366418, 538850, 704650, 732836, 916045, 1077700, 1409300, 1832090, 3664180, 4580225, 9160450, 18320900]

約数ペア:

[(1, 18320900), (2, 9160450), (4, 4580225), (5, 3664180), (10, 1832090), (13, 1409300), (17, 1077700), (20, 916045), (25, 732836), (26, 704650), (34, 538850), (50, 366418), (52, 352325), (65, 281860), (68, 269425), (85, 215540), (100, 183209), (130, 140930), (170, 107770), (221, 82900), (260, 70465), (325, 56372), (340, 53885), (425, 43108), (442, 41450), (650, 28186), (829, 22100), (850, 21554), (884, 20725), (1105, 16580), (1300, 14093), (1658, 11050), (1700, 10777), (2210, 8290), (3316, 5525), (4145, 4420)]