219619790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{45659}}^1$

素因数の和:45716

約数の個数: 32

約数和(自身を含む): 437240160

約数和(自身を除く): 217620370

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 45659, 91318, 228295, 456590, 593567, 1187134, 1689383, 2967835, 3378766, 5935670, 8446915, 16893830, 21961979, 43923958, 109809895, 219619790]

約数ペア:

[(1, 219619790), (2, 109809895), (5, 43923958), (10, 21961979), (13, 16893830), (26, 8446915), (37, 5935670), (65, 3378766), (74, 2967835), (130, 1689383), (185, 1187134), (370, 593567), (481, 456590), (962, 228295), (2405, 91318), (4810, 45659)]