205583910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{19979}}^1$

素因数の和:20010

約数の個数: 64

約数和(自身を含む): 575424000

約数和(自身を除く): 369840090

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 343, 490, 686, 735, 1029, 1470, 1715, 2058, 3430, 5145, 10290, 19979, 39958, 59937, 99895, 119874, 139853, 199790, 279706, 299685, 419559, 599370, 699265, 839118, 978971, 1398530, 1957942, 2097795, 2936913, 4195590, 4894855, 5873826, 6852797, 9789710, 13705594, 14684565, 20558391, 29369130, 34263985, 41116782, 68527970, 102791955, 205583910]

約数ペア:

[(1, 205583910), (2, 102791955), (3, 68527970), (5, 41116782), (6, 34263985), (7, 29369130), (10, 20558391), (14, 14684565), (15, 13705594), (21, 9789710), (30, 6852797), (35, 5873826), (42, 4894855), (49, 4195590), (70, 2936913), (98, 2097795), (105, 1957942), (147, 1398530), (210, 978971), (245, 839118), (294, 699265), (343, 599370), (490, 419559), (686, 299685), (735, 279706), (1029, 199790), (1470, 139853), (1715, 119874), (2058, 99895), (3430, 59937), (5145, 39958), (10290, 19979)]