2907890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{269}}^1$

素因数の和:346

約数の個数: 32

約数和(自身を含む): 5598720

約数和(自身を除く): 2690830

約数列:

[1, 2, 5, 10, 23, 46, 47, 94, 115, 230, 235, 269, 470, 538, 1081, 1345, 2162, 2690, 5405, 6187, 10810, 12374, 12643, 25286, 30935, 61870, 63215, 126430, 290789, 581578, 1453945, 2907890]

約数ペア:

[(1, 2907890), (2, 1453945), (5, 581578), (10, 290789), (23, 126430), (46, 63215), (47, 61870), (94, 30935), (115, 25286), (230, 12643), (235, 12374), (269, 10810), (470, 6187), (538, 5405), (1081, 2690), (1345, 2162)]