29081720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{499}}^1$

素因数の和:588

約数の個数: 64

約数和(自身を含む): 69120000

約数和(自身を除く): 40038280

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 47, 62, 94, 124, 155, 188, 235, 248, 310, 376, 470, 499, 620, 940, 998, 1240, 1457, 1880, 1996, 2495, 2914, 3992, 4990, 5828, 7285, 9980, 11656, 14570, 15469, 19960, 23453, 29140, 30938, 46906, 58280, 61876, 77345, 93812, 117265, 123752, 154690, 187624, 234530, 309380, 469060, 618760, 727043, 938120, 1454086, 2908172, 3635215, 5816344, 7270430, 14540860, 29081720]

約数ペア:

[(1, 29081720), (2, 14540860), (4, 7270430), (5, 5816344), (8, 3635215), (10, 2908172), (20, 1454086), (31, 938120), (40, 727043), (47, 618760), (62, 469060), (94, 309380), (124, 234530), (155, 187624), (188, 154690), (235, 123752), (248, 117265), (310, 93812), (376, 77345), (470, 61876), (499, 58280), (620, 46906), (940, 30938), (998, 29140), (1240, 23453), (1457, 19960), (1880, 15469), (1996, 14570), (2495, 11656), (2914, 9980), (3992, 7285), (4990, 5828)]