78305600

素因数分解:

$2^6\times 5^2\times {\mathrm{109}}^1\times {\mathrm{449}}^1$

素因数の和:580

約数の個数: 84

約数和(自身を含む): 194881500

約数和(自身を除く): 116575900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 109, 160, 200, 218, 320, 400, 436, 449, 545, 800, 872, 898, 1090, 1600, 1744, 1796, 2180, 2245, 2725, 3488, 3592, 4360, 4490, 5450, 6976, 7184, 8720, 8980, 10900, 11225, 14368, 17440, 17960, 21800, 22450, 28736, 34880, 35920, 43600, 44900, 48941, 71840, 87200, 89800, 97882, 143680, 174400, 179600, 195764, 244705, 359200, 391528, 489410, 718400, 783056, 978820, 1223525, 1566112, 1957640, 2447050, 3132224, 3915280, 4894100, 7830560, 9788200, 15661120, 19576400, 39152800, 78305600]

約数ペア:

[(1, 78305600), (2, 39152800), (4, 19576400), (5, 15661120), (8, 9788200), (10, 7830560), (16, 4894100), (20, 3915280), (25, 3132224), (32, 2447050), (40, 1957640), (50, 1566112), (64, 1223525), (80, 978820), (100, 783056), (109, 718400), (160, 489410), (200, 391528), (218, 359200), (320, 244705), (400, 195764), (436, 179600), (449, 174400), (545, 143680), (800, 97882), (872, 89800), (898, 87200), (1090, 71840), (1600, 48941), (1744, 44900), (1796, 43600), (2180, 35920), (2245, 34880), (2725, 28736), (3488, 22450), (3592, 21800), (4360, 17960), (4490, 17440), (5450, 14368), (6976, 11225), (7184, 10900), (8720, 8980)]