117002780

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1\times {\mathrm{281}}^1$

素因数の和:590

約数の個数: 48

約数和(自身を含む): 250145280

約数和(自身を除く): 133142500

約数列:

[1, 2, 4, 5, 10, 20, 109, 191, 218, 281, 382, 436, 545, 562, 764, 955, 1090, 1124, 1405, 1910, 2180, 2810, 3820, 5620, 20819, 30629, 41638, 53671, 61258, 83276, 104095, 107342, 122516, 153145, 208190, 214684, 268355, 306290, 416380, 536710, 612580, 1073420, 5850139, 11700278, 23400556, 29250695, 58501390, 117002780]

約数ペア:

[(1, 117002780), (2, 58501390), (4, 29250695), (5, 23400556), (10, 11700278), (20, 5850139), (109, 1073420), (191, 612580), (218, 536710), (281, 416380), (382, 306290), (436, 268355), (545, 214684), (562, 208190), (764, 153145), (955, 122516), (1090, 107342), (1124, 104095), (1405, 83276), (1910, 61258), (2180, 53671), (2810, 41638), (3820, 30629), (5620, 20819)]