218971550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{37}}^2\times {\mathrm{457}}^1$

素因数の和:550

約数の個数: 72

約数和(自身を含む): 479438064

約数和(自身を除く): 260466514

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 37, 50, 70, 74, 175, 185, 259, 350, 370, 457, 518, 914, 925, 1295, 1369, 1850, 2285, 2590, 2738, 3199, 4570, 6398, 6475, 6845, 9583, 11425, 12950, 13690, 15995, 16909, 19166, 22850, 31990, 33818, 34225, 47915, 68450, 79975, 84545, 95830, 118363, 159950, 169090, 236726, 239575, 422725, 479150, 591815, 625633, 845450, 1183630, 1251266, 2959075, 3128165, 4379431, 5918150, 6256330, 8758862, 15640825, 21897155, 31281650, 43794310, 109485775, 218971550]

約数ペア:

[(1, 218971550), (2, 109485775), (5, 43794310), (7, 31281650), (10, 21897155), (14, 15640825), (25, 8758862), (35, 6256330), (37, 5918150), (50, 4379431), (70, 3128165), (74, 2959075), (175, 1251266), (185, 1183630), (259, 845450), (350, 625633), (370, 591815), (457, 479150), (518, 422725), (914, 239575), (925, 236726), (1295, 169090), (1369, 159950), (1850, 118363), (2285, 95830), (2590, 84545), (2738, 79975), (3199, 68450), (4570, 47915), (6398, 34225), (6475, 33818), (6845, 31990), (9583, 22850), (11425, 19166), (12950, 16909), (13690, 15995)]