1853039920

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1\times {\mathrm{1487}}^1$

素因数の和:1958

約数の個数: 80

約数和(自身を含む): 4438251648

約数和(自身を除く): 2585211728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 421, 592, 740, 842, 1480, 1487, 1684, 2105, 2960, 2974, 3368, 4210, 5948, 6736, 7435, 8420, 11896, 14870, 15577, 16840, 23792, 29740, 31154, 33680, 55019, 59480, 62308, 77885, 110038, 118960, 124616, 155770, 220076, 249232, 275095, 311540, 440152, 550190, 623080, 626027, 880304, 1100380, 1246160, 1252054, 2200760, 2504108, 3130135, 4401520, 5008216, 6260270, 10016432, 12520540, 23162999, 25041080, 46325998, 50082160, 92651996, 115814995, 185303992, 231629990, 370607984, 463259980, 926519960, 1853039920]

約数ペア:

[(1, 1853039920), (2, 926519960), (4, 463259980), (5, 370607984), (8, 231629990), (10, 185303992), (16, 115814995), (20, 92651996), (37, 50082160), (40, 46325998), (74, 25041080), (80, 23162999), (148, 12520540), (185, 10016432), (296, 6260270), (370, 5008216), (421, 4401520), (592, 3130135), (740, 2504108), (842, 2200760), (1480, 1252054), (1487, 1246160), (1684, 1100380), (2105, 880304), (2960, 626027), (2974, 623080), (3368, 550190), (4210, 440152), (5948, 311540), (6736, 275095), (7435, 249232), (8420, 220076), (11896, 155770), (14870, 124616), (15577, 118960), (16840, 110038), (23792, 77885), (29740, 62308), (31154, 59480), (33680, 55019)]