201684940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{2111}}^1$

素因数の和:2418

約数の個数: 48

約数和(自身を含む): 450261504

約数和(自身を除く): 248576564

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 281, 340, 562, 1124, 1405, 2111, 2810, 4222, 4777, 5620, 8444, 9554, 10555, 19108, 21110, 23885, 35887, 42220, 47770, 71774, 95540, 143548, 179435, 358870, 593191, 717740, 1186382, 2372764, 2965955, 5931910, 10084247, 11863820, 20168494, 40336988, 50421235, 100842470, 201684940]

約数ペア:

[(1, 201684940), (2, 100842470), (4, 50421235), (5, 40336988), (10, 20168494), (17, 11863820), (20, 10084247), (34, 5931910), (68, 2965955), (85, 2372764), (170, 1186382), (281, 717740), (340, 593191), (562, 358870), (1124, 179435), (1405, 143548), (2111, 95540), (2810, 71774), (4222, 47770), (4777, 42220), (5620, 35887), (8444, 23885), (9554, 21110), (10555, 19108)]