428438290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{1103}}^1$

素因数の和:1327

約数の個数: 64

約数和(自身を含む): 915701760

約数和(自身を除く): 487263470

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 179, 217, 310, 358, 434, 895, 1085, 1103, 1253, 1790, 2170, 2206, 2506, 5515, 5549, 6265, 7721, 11030, 11098, 12530, 15442, 27745, 34193, 38605, 38843, 55490, 68386, 77210, 77686, 170965, 194215, 197437, 239351, 341930, 388430, 394874, 478702, 987185, 1196755, 1382059, 1974370, 2393510, 2764118, 6120547, 6910295, 12241094, 13820590, 30602735, 42843829, 61205470, 85687658, 214219145, 428438290]

約数ペア:

[(1, 428438290), (2, 214219145), (5, 85687658), (7, 61205470), (10, 42843829), (14, 30602735), (31, 13820590), (35, 12241094), (62, 6910295), (70, 6120547), (155, 2764118), (179, 2393510), (217, 1974370), (310, 1382059), (358, 1196755), (434, 987185), (895, 478702), (1085, 394874), (1103, 388430), (1253, 341930), (1790, 239351), (2170, 197437), (2206, 194215), (2506, 170965), (5515, 77686), (5549, 77210), (6265, 68386), (7721, 55490), (11030, 38843), (11098, 38605), (12530, 34193), (15442, 27745)]