31900540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{9907}}^1$

素因数の和:9946

約数の個数: 48

約数和(自身を含む): 79898112

約数和(自身を除く): 47997572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 9907, 19814, 39628, 49535, 69349, 99070, 138698, 198140, 227861, 277396, 346745, 455722, 693490, 911444, 1139305, 1386980, 1595027, 2278610, 3190054, 4557220, 6380108, 7975135, 15950270, 31900540]

約数ペア:

[(1, 31900540), (2, 15950270), (4, 7975135), (5, 6380108), (7, 4557220), (10, 3190054), (14, 2278610), (20, 1595027), (23, 1386980), (28, 1139305), (35, 911444), (46, 693490), (70, 455722), (92, 346745), (115, 277396), (140, 227861), (161, 198140), (230, 138698), (322, 99070), (460, 69349), (644, 49535), (805, 39628), (1610, 19814), (3220, 9907)]