165009320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{1181}}^1$

素因数の和:1698

約数の個数: 64

約数和(自身を含む): 425520000

約数和(自身を除く): 260510680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 499, 998, 1181, 1996, 2362, 2495, 3493, 3992, 4724, 4990, 5905, 6986, 8267, 9448, 9980, 11810, 13972, 16534, 17465, 19960, 23620, 27944, 33068, 34930, 41335, 47240, 66136, 69860, 82670, 139720, 165340, 330680, 589319, 1178638, 2357276, 2946595, 4125233, 4714552, 5893190, 8250466, 11786380, 16500932, 20626165, 23572760, 33001864, 41252330, 82504660, 165009320]

約数ペア:

[(1, 165009320), (2, 82504660), (4, 41252330), (5, 33001864), (7, 23572760), (8, 20626165), (10, 16500932), (14, 11786380), (20, 8250466), (28, 5893190), (35, 4714552), (40, 4125233), (56, 2946595), (70, 2357276), (140, 1178638), (280, 589319), (499, 330680), (998, 165340), (1181, 139720), (1996, 82670), (2362, 69860), (2495, 66136), (3493, 47240), (3992, 41335), (4724, 34930), (4990, 33068), (5905, 27944), (6986, 23620), (8267, 19960), (9448, 17465), (9980, 16534), (11810, 13972)]