89645420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{13877}}^1$

素因数の和:13922

約数の個数: 48

約数和(自身を含む): 209835360

約数和(自身を除く): 120189940

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 13877, 27754, 55508, 69385, 138770, 235909, 263663, 277540, 471818, 527326, 943636, 1054652, 1179545, 1318315, 2359090, 2636630, 4482271, 4718180, 5273260, 8964542, 17929084, 22411355, 44822710, 89645420]

約数ペア:

[(1, 89645420), (2, 44822710), (4, 22411355), (5, 17929084), (10, 8964542), (17, 5273260), (19, 4718180), (20, 4482271), (34, 2636630), (38, 2359090), (68, 1318315), (76, 1179545), (85, 1054652), (95, 943636), (170, 527326), (190, 471818), (323, 277540), (340, 263663), (380, 235909), (646, 138770), (1292, 69385), (1615, 55508), (3230, 27754), (6460, 13877)]