2183620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 4935168

約数和(自身を除く): 2751548

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 101, 115, 188, 202, 230, 235, 404, 460, 470, 505, 940, 1010, 1081, 2020, 2162, 2323, 4324, 4646, 4747, 5405, 9292, 9494, 10810, 11615, 18988, 21620, 23230, 23735, 46460, 47470, 94940, 109181, 218362, 436724, 545905, 1091810, 2183620]

約数ペア:

[(1, 2183620), (2, 1091810), (4, 545905), (5, 436724), (10, 218362), (20, 109181), (23, 94940), (46, 47470), (47, 46460), (92, 23735), (94, 23230), (101, 21620), (115, 18988), (188, 11615), (202, 10810), (230, 9494), (235, 9292), (404, 5405), (460, 4747), (470, 4646), (505, 4324), (940, 2323), (1010, 2162), (1081, 2020)]