217068180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{516829}}^1$

素因数の和:516848

約数の個数: 48

約数和(自身を含む): 694619520

約数和(自身を除く): 477551340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 516829, 1033658, 1550487, 2067316, 2584145, 3100974, 3617803, 5168290, 6201948, 7235606, 7752435, 10336580, 10853409, 14471212, 15504870, 18089015, 21706818, 31009740, 36178030, 43413636, 54267045, 72356060, 108534090, 217068180]

約数ペア:

[(1, 217068180), (2, 108534090), (3, 72356060), (4, 54267045), (5, 43413636), (6, 36178030), (7, 31009740), (10, 21706818), (12, 18089015), (14, 15504870), (15, 14471212), (20, 10853409), (21, 10336580), (28, 7752435), (30, 7235606), (35, 6201948), (42, 5168290), (60, 3617803), (70, 3100974), (84, 2584145), (105, 2067316), (140, 1550487), (210, 1033658), (420, 516829)]