140909140

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{883}}^1$

素因数の和:1072

約数の個数: 48

約数和(自身を含む): 302964480

約数和(自身を除く): 162055340

約数列:

[1, 2, 4, 5, 10, 20, 79, 101, 158, 202, 316, 395, 404, 505, 790, 883, 1010, 1580, 1766, 2020, 3532, 4415, 7979, 8830, 15958, 17660, 31916, 39895, 69757, 79790, 89183, 139514, 159580, 178366, 279028, 348785, 356732, 445915, 697570, 891830, 1395140, 1783660, 7045457, 14090914, 28181828, 35227285, 70454570, 140909140]

約数ペア:

[(1, 140909140), (2, 70454570), (4, 35227285), (5, 28181828), (10, 14090914), (20, 7045457), (79, 1783660), (101, 1395140), (158, 891830), (202, 697570), (316, 445915), (395, 356732), (404, 348785), (505, 279028), (790, 178366), (883, 159580), (1010, 139514), (1580, 89183), (1766, 79790), (2020, 69757), (3532, 39895), (4415, 31916), (7979, 17660), (8830, 15958)]