88163320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{631}}^1$

素因数の和:1148

約数の個数: 64

約数和(自身を含む): 227520000

約数和(自身を除く): 139356680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 499, 631, 998, 1262, 1996, 2495, 2524, 3155, 3493, 3992, 4417, 4990, 5048, 6310, 6986, 8834, 9980, 12620, 13972, 17465, 17668, 19960, 22085, 25240, 27944, 34930, 35336, 44170, 69860, 88340, 139720, 176680, 314869, 629738, 1259476, 1574345, 2204083, 2518952, 3148690, 4408166, 6297380, 8816332, 11020415, 12594760, 17632664, 22040830, 44081660, 88163320]

約数ペア:

[(1, 88163320), (2, 44081660), (4, 22040830), (5, 17632664), (7, 12594760), (8, 11020415), (10, 8816332), (14, 6297380), (20, 4408166), (28, 3148690), (35, 2518952), (40, 2204083), (56, 1574345), (70, 1259476), (140, 629738), (280, 314869), (499, 176680), (631, 139720), (998, 88340), (1262, 69860), (1996, 44170), (2495, 35336), (2524, 34930), (3155, 27944), (3493, 25240), (3992, 22085), (4417, 19960), (4990, 17668), (5048, 17465), (6310, 13972), (6986, 12620), (8834, 9980)]