251496870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{1471}}^1$

素因数の和:1661

約数の個数: 64

約数和(自身を含む): 623185920

約数和(自身を除く): 371689050

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 123, 139, 205, 246, 278, 410, 417, 615, 695, 834, 1230, 1390, 1471, 2085, 2942, 4170, 4413, 5699, 7355, 8826, 11398, 14710, 17097, 22065, 28495, 34194, 44130, 56990, 60311, 85485, 120622, 170970, 180933, 204469, 301555, 361866, 408938, 603110, 613407, 904665, 1022345, 1226814, 1809330, 2044690, 3067035, 6134070, 8383229, 16766458, 25149687, 41916145, 50299374, 83832290, 125748435, 251496870]

約数ペア:

[(1, 251496870), (2, 125748435), (3, 83832290), (5, 50299374), (6, 41916145), (10, 25149687), (15, 16766458), (30, 8383229), (41, 6134070), (82, 3067035), (123, 2044690), (139, 1809330), (205, 1226814), (246, 1022345), (278, 904665), (410, 613407), (417, 603110), (615, 408938), (695, 361866), (834, 301555), (1230, 204469), (1390, 180933), (1471, 170970), (2085, 120622), (2942, 85485), (4170, 60311), (4413, 56990), (5699, 44130), (7355, 34194), (8826, 28495), (11398, 22065), (14710, 17097)]