79398910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1\times {\mathrm{821}}^1$

素因数の和:1356

約数の個数: 32

約数和(自身を含む): 150919200

約数和(自身を除く): 71520290

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 509, 821, 1018, 1642, 2545, 4105, 5090, 8210, 9671, 15599, 19342, 31198, 48355, 77995, 96710, 155990, 417889, 835778, 2089445, 4178890, 7939891, 15879782, 39699455, 79398910]

約数ペア:

[(1, 79398910), (2, 39699455), (5, 15879782), (10, 7939891), (19, 4178890), (38, 2089445), (95, 835778), (190, 417889), (509, 155990), (821, 96710), (1018, 77995), (1642, 48355), (2545, 31198), (4105, 19342), (5090, 15599), (8210, 9671)]