236998100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{859}}^1$

素因数の和:993

約数の個数: 72

約数和(自身を含む): 537465600

約数和(自身を除く): 300467500

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 89, 100, 124, 155, 178, 310, 356, 445, 620, 775, 859, 890, 1550, 1718, 1780, 2225, 2759, 3100, 3436, 4295, 4450, 5518, 8590, 8900, 11036, 13795, 17180, 21475, 26629, 27590, 42950, 53258, 55180, 68975, 76451, 85900, 106516, 133145, 137950, 152902, 266290, 275900, 305804, 382255, 532580, 665725, 764510, 1331450, 1529020, 1911275, 2369981, 2662900, 3822550, 4739962, 7645100, 9479924, 11849905, 23699810, 47399620, 59249525, 118499050, 236998100]

約数ペア:

[(1, 236998100), (2, 118499050), (4, 59249525), (5, 47399620), (10, 23699810), (20, 11849905), (25, 9479924), (31, 7645100), (50, 4739962), (62, 3822550), (89, 2662900), (100, 2369981), (124, 1911275), (155, 1529020), (178, 1331450), (310, 764510), (356, 665725), (445, 532580), (620, 382255), (775, 305804), (859, 275900), (890, 266290), (1550, 152902), (1718, 137950), (1780, 133145), (2225, 106516), (2759, 85900), (3100, 76451), (3436, 68975), (4295, 55180), (4450, 53258), (5518, 42950), (8590, 27590), (8900, 26629), (11036, 21475), (13795, 17180)]