87915380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1$

素因数の和:525

約数の個数: 96

約数和(自身を含む): 222953472

約数和(自身を除く): 135038092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 47, 62, 70, 94, 124, 140, 155, 188, 217, 235, 310, 329, 431, 434, 470, 620, 658, 862, 868, 940, 1085, 1316, 1457, 1645, 1724, 2155, 2170, 2914, 3017, 3290, 4310, 4340, 5828, 6034, 6580, 7285, 8620, 10199, 12068, 13361, 14570, 15085, 20257, 20398, 26722, 29140, 30170, 40514, 40796, 50995, 53444, 60340, 66805, 81028, 93527, 101285, 101990, 133610, 141799, 187054, 202570, 203980, 267220, 283598, 374108, 405140, 467635, 567196, 627967, 708995, 935270, 1255934, 1417990, 1870540, 2511868, 2835980, 3139835, 4395769, 6279670, 8791538, 12559340, 17583076, 21978845, 43957690, 87915380]

約数ペア:

[(1, 87915380), (2, 43957690), (4, 21978845), (5, 17583076), (7, 12559340), (10, 8791538), (14, 6279670), (20, 4395769), (28, 3139835), (31, 2835980), (35, 2511868), (47, 1870540), (62, 1417990), (70, 1255934), (94, 935270), (124, 708995), (140, 627967), (155, 567196), (188, 467635), (217, 405140), (235, 374108), (310, 283598), (329, 267220), (431, 203980), (434, 202570), (470, 187054), (620, 141799), (658, 133610), (862, 101990), (868, 101285), (940, 93527), (1085, 81028), (1316, 66805), (1457, 60340), (1645, 53444), (1724, 50995), (2155, 40796), (2170, 40514), (2914, 30170), (3017, 29140), (3290, 26722), (4310, 20398), (4340, 20257), (5828, 15085), (6034, 14570), (6580, 13361), (7285, 12068), (8620, 10199)]