256533130

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{2579}}^1$

素因数の和:2636

約数の個数: 64

約数和(自身を含む): 557280000

約数和(自身を除く): 300746870

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 49, 58, 70, 98, 145, 203, 245, 290, 343, 406, 490, 686, 1015, 1421, 1715, 2030, 2579, 2842, 3430, 5158, 7105, 9947, 12895, 14210, 18053, 19894, 25790, 36106, 49735, 74791, 90265, 99470, 126371, 149582, 180530, 252742, 373955, 523537, 631855, 747910, 884597, 1047074, 1263710, 1769194, 2617685, 3664759, 4422985, 5235370, 7329518, 8845970, 18323795, 25653313, 36647590, 51306626, 128266565, 256533130]

約数ペア:

[(1, 256533130), (2, 128266565), (5, 51306626), (7, 36647590), (10, 25653313), (14, 18323795), (29, 8845970), (35, 7329518), (49, 5235370), (58, 4422985), (70, 3664759), (98, 2617685), (145, 1769194), (203, 1263710), (245, 1047074), (290, 884597), (343, 747910), (406, 631855), (490, 523537), (686, 373955), (1015, 252742), (1421, 180530), (1715, 149582), (2030, 126371), (2579, 99470), (2842, 90265), (3430, 74791), (5158, 49735), (7105, 36106), (9947, 25790), (12895, 19894), (14210, 18053)]