210702040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{367}}^1\times {\mathrm{463}}^1$

素因数の和:872

約数の個数: 64

約数和(自身を含む): 491765760

約数和(自身を除く): 281063720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 367, 463, 620, 734, 926, 1240, 1468, 1835, 1852, 2315, 2936, 3670, 3704, 4630, 7340, 9260, 11377, 14353, 14680, 18520, 22754, 28706, 45508, 56885, 57412, 71765, 91016, 113770, 114824, 143530, 169921, 227540, 287060, 339842, 455080, 574120, 679684, 849605, 1359368, 1699210, 3398420, 5267551, 6796840, 10535102, 21070204, 26337755, 42140408, 52675510, 105351020, 210702040]

約数ペア:

[(1, 210702040), (2, 105351020), (4, 52675510), (5, 42140408), (8, 26337755), (10, 21070204), (20, 10535102), (31, 6796840), (40, 5267551), (62, 3398420), (124, 1699210), (155, 1359368), (248, 849605), (310, 679684), (367, 574120), (463, 455080), (620, 339842), (734, 287060), (926, 227540), (1240, 169921), (1468, 143530), (1835, 114824), (1852, 113770), (2315, 91016), (2936, 71765), (3670, 57412), (3704, 56885), (4630, 45508), (7340, 28706), (9260, 22754), (11377, 18520), (14353, 14680)]