448889300

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1627}}^1$

素因数の和:1761

約数の個数: 72

約数和(自身を含む): 1017434880

約数和(自身を除く): 568545580

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 89, 100, 124, 155, 178, 310, 356, 445, 620, 775, 890, 1550, 1627, 1780, 2225, 2759, 3100, 3254, 4450, 5518, 6508, 8135, 8900, 11036, 13795, 16270, 27590, 32540, 40675, 50437, 55180, 68975, 81350, 100874, 137950, 144803, 162700, 201748, 252185, 275900, 289606, 504370, 579212, 724015, 1008740, 1260925, 1448030, 2521850, 2896060, 3620075, 4488893, 5043700, 7240150, 8977786, 14480300, 17955572, 22444465, 44888930, 89777860, 112222325, 224444650, 448889300]

約数ペア:

[(1, 448889300), (2, 224444650), (4, 112222325), (5, 89777860), (10, 44888930), (20, 22444465), (25, 17955572), (31, 14480300), (50, 8977786), (62, 7240150), (89, 5043700), (100, 4488893), (124, 3620075), (155, 2896060), (178, 2521850), (310, 1448030), (356, 1260925), (445, 1008740), (620, 724015), (775, 579212), (890, 504370), (1550, 289606), (1627, 275900), (1780, 252185), (2225, 201748), (2759, 162700), (3100, 144803), (3254, 137950), (4450, 100874), (5518, 81350), (6508, 68975), (8135, 55180), (8900, 50437), (11036, 40675), (13795, 32540), (16270, 27590)]