40451390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 86676480

約数和(自身を除く): 46225090

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 89, 151, 178, 215, 301, 302, 430, 445, 602, 623, 755, 890, 1057, 1246, 1505, 1510, 2114, 3010, 3115, 3827, 5285, 6230, 6493, 7654, 10570, 12986, 13439, 19135, 26789, 26878, 32465, 38270, 45451, 53578, 64930, 67195, 90902, 94073, 133945, 134390, 188146, 227255, 267890, 454510, 470365, 577877, 940730, 1155754, 2889385, 4045139, 5778770, 8090278, 20225695, 40451390]

約数ペア:

[(1, 40451390), (2, 20225695), (5, 8090278), (7, 5778770), (10, 4045139), (14, 2889385), (35, 1155754), (43, 940730), (70, 577877), (86, 470365), (89, 454510), (151, 267890), (178, 227255), (215, 188146), (301, 134390), (302, 133945), (430, 94073), (445, 90902), (602, 67195), (623, 64930), (755, 53578), (890, 45451), (1057, 38270), (1246, 32465), (1505, 26878), (1510, 26789), (2114, 19135), (3010, 13439), (3115, 12986), (3827, 10570), (5285, 7654), (6230, 6493)]