210725290

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{5189}}^1$

素因数の和:5358

約数の個数: 32

約数和(自身を含む): 394606080

約数和(自身を除く): 183880790

約数列:

[1, 2, 5, 10, 31, 62, 131, 155, 262, 310, 655, 1310, 4061, 5189, 8122, 10378, 20305, 25945, 40610, 51890, 160859, 321718, 679759, 804295, 1359518, 1608590, 3398795, 6797590, 21072529, 42145058, 105362645, 210725290]

約数ペア:

[(1, 210725290), (2, 105362645), (5, 42145058), (10, 21072529), (31, 6797590), (62, 3398795), (131, 1608590), (155, 1359518), (262, 804295), (310, 679759), (655, 321718), (1310, 160859), (4061, 51890), (5189, 40610), (8122, 25945), (10378, 20305)]