247371390

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1279}}^1$

素因数の和:1606

約数の個数: 96

約数和(自身を含む): 738017280

約数和(自身を除く): 490645890

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 307, 315, 614, 630, 921, 1279, 1535, 1842, 2149, 2558, 2763, 3070, 3837, 4298, 4605, 5526, 6395, 6447, 7674, 8953, 9210, 10745, 11511, 12790, 12894, 13815, 17906, 19185, 19341, 21490, 23022, 26859, 27630, 32235, 38370, 38682, 44765, 53718, 57555, 64470, 80577, 89530, 96705, 115110, 134295, 161154, 193410, 268590, 392653, 402885, 785306, 805770, 1177959, 1963265, 2355918, 2748571, 3533877, 3926530, 5497142, 5889795, 7067754, 8245713, 11779590, 13742855, 16491426, 17669385, 24737139, 27485710, 35338770, 41228565, 49474278, 82457130, 123685695, 247371390]

約数ペア:

[(1, 247371390), (2, 123685695), (3, 82457130), (5, 49474278), (6, 41228565), (7, 35338770), (9, 27485710), (10, 24737139), (14, 17669385), (15, 16491426), (18, 13742855), (21, 11779590), (30, 8245713), (35, 7067754), (42, 5889795), (45, 5497142), (63, 3926530), (70, 3533877), (90, 2748571), (105, 2355918), (126, 1963265), (210, 1177959), (307, 805770), (315, 785306), (614, 402885), (630, 392653), (921, 268590), (1279, 193410), (1535, 161154), (1842, 134295), (2149, 115110), (2558, 96705), (2763, 89530), (3070, 80577), (3837, 64470), (4298, 57555), (4605, 53718), (5526, 44765), (6395, 38682), (6447, 38370), (7674, 32235), (8953, 27630), (9210, 26859), (10745, 23022), (11511, 21490), (12790, 19341), (12894, 19185), (13815, 17906)]