147989420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{435263}}^1$

素因数の和:435289

約数の個数: 24

約数和(自身を含む): 329059584

約数和(自身を除く): 181070164

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 435263, 870526, 1741052, 2176315, 4352630, 7399471, 8705260, 14798942, 29597884, 36997355, 73994710, 147989420]

約数ペア:

[(1, 147989420), (2, 73994710), (4, 36997355), (5, 29597884), (10, 14798942), (17, 8705260), (20, 7399471), (34, 4352630), (68, 2176315), (85, 1741052), (170, 870526), (340, 435263)]