313109825

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 486052224

約数和(自身を除く): 172942399

約数列:

[1, 5, 7, 17, 25, 35, 41, 85, 119, 151, 175, 205, 287, 289, 425, 595, 697, 755, 1025, 1057, 1435, 1445, 2023, 2567, 2975, 3485, 3775, 4879, 5285, 6191, 7175, 7225, 10115, 11849, 12835, 17425, 17969, 24395, 26425, 30955, 43337, 43639, 50575, 59245, 64175, 82943, 89845, 105247, 121975, 154775, 216685, 218195, 296225, 305473, 414715, 449225, 526235, 736729, 1083425, 1090975, 1527365, 1789199, 2073575, 2631175, 3683645, 7636825, 8945995, 12524393, 18418225, 44729975, 62621965, 313109825]

約数ペア:

[(1, 313109825), (5, 62621965), (7, 44729975), (17, 18418225), (25, 12524393), (35, 8945995), (41, 7636825), (85, 3683645), (119, 2631175), (151, 2073575), (175, 1789199), (205, 1527365), (287, 1090975), (289, 1083425), (425, 736729), (595, 526235), (697, 449225), (755, 414715), (1025, 305473), (1057, 296225), (1435, 218195), (1445, 216685), (2023, 154775), (2567, 121975), (2975, 105247), (3485, 89845), (3775, 82943), (4879, 64175), (5285, 59245), (6191, 50575), (7175, 43639), (7225, 43337), (10115, 30955), (11849, 26425), (12835, 24395), (17425, 17969)]