189774830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{21347}}^1$

素因数の和:21488

約数の個数: 32

約数和(自身を含む): 393486336

約数和(自身を除く): 203711506

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 127, 254, 635, 889, 1270, 1778, 4445, 8890, 21347, 42694, 106735, 149429, 213470, 298858, 747145, 1494290, 2711069, 5422138, 13555345, 18977483, 27110690, 37954966, 94887415, 189774830]

約数ペア:

[(1, 189774830), (2, 94887415), (5, 37954966), (7, 27110690), (10, 18977483), (14, 13555345), (35, 5422138), (70, 2711069), (127, 1494290), (254, 747145), (635, 298858), (889, 213470), (1270, 149429), (1778, 106735), (4445, 42694), (8890, 21347)]