129797420

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1\times {\mathrm{463}}^1$

素因数の和:710

約数の個数: 48

約数和(自身を含む): 277820928

約数和(自身を除く): 148023508

約数列:

[1, 2, 4, 5, 10, 20, 107, 131, 214, 262, 428, 463, 524, 535, 655, 926, 1070, 1310, 1852, 2140, 2315, 2620, 4630, 9260, 14017, 28034, 49541, 56068, 60653, 70085, 99082, 121306, 140170, 198164, 242612, 247705, 280340, 303265, 495410, 606530, 990820, 1213060, 6489871, 12979742, 25959484, 32449355, 64898710, 129797420]

約数ペア:

[(1, 129797420), (2, 64898710), (4, 32449355), (5, 25959484), (10, 12979742), (20, 6489871), (107, 1213060), (131, 990820), (214, 606530), (262, 495410), (428, 303265), (463, 280340), (524, 247705), (535, 242612), (655, 198164), (926, 140170), (1070, 121306), (1310, 99082), (1852, 70085), (2140, 60653), (2315, 56068), (2620, 49541), (4630, 28034), (9260, 14017)]