74990120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2203}}^1$

素因数の和:2274

約数の個数: 64

約数和(自身を含む): 180904320

約数和(自身を除く): 105914200

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 37, 40, 46, 74, 92, 115, 148, 184, 185, 230, 296, 370, 460, 740, 851, 920, 1480, 1702, 2203, 3404, 4255, 4406, 6808, 8510, 8812, 11015, 17020, 17624, 22030, 34040, 44060, 50669, 81511, 88120, 101338, 163022, 202676, 253345, 326044, 405352, 407555, 506690, 652088, 815110, 1013380, 1630220, 1874753, 2026760, 3260440, 3749506, 7499012, 9373765, 14998024, 18747530, 37495060, 74990120]

約数ペア:

[(1, 74990120), (2, 37495060), (4, 18747530), (5, 14998024), (8, 9373765), (10, 7499012), (20, 3749506), (23, 3260440), (37, 2026760), (40, 1874753), (46, 1630220), (74, 1013380), (92, 815110), (115, 652088), (148, 506690), (184, 407555), (185, 405352), (230, 326044), (296, 253345), (370, 202676), (460, 163022), (740, 101338), (851, 88120), (920, 81511), (1480, 50669), (1702, 44060), (2203, 34040), (3404, 22030), (4255, 17624), (4406, 17020), (6808, 11015), (8510, 8812)]