212149540

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{269}}^1\times {\mathrm{839}}^1$

素因数の和:1164

約数の個数: 48

約数和(自身を含む): 457228800

約数和(自身を除く): 245079260

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 269, 470, 538, 839, 940, 1076, 1345, 1678, 2690, 3356, 4195, 5380, 8390, 12643, 16780, 25286, 39433, 50572, 63215, 78866, 126430, 157732, 197165, 225691, 252860, 394330, 451382, 788660, 902764, 1128455, 2256910, 4513820, 10607477, 21214954, 42429908, 53037385, 106074770, 212149540]

約数ペア:

[(1, 212149540), (2, 106074770), (4, 53037385), (5, 42429908), (10, 21214954), (20, 10607477), (47, 4513820), (94, 2256910), (188, 1128455), (235, 902764), (269, 788660), (470, 451382), (538, 394330), (839, 252860), (940, 225691), (1076, 197165), (1345, 157732), (1678, 126430), (2690, 78866), (3356, 63215), (4195, 50572), (5380, 39433), (8390, 25286), (12643, 16780)]