29857220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1381}}^1$

素因数の和:1460

約数の個数: 48

約数和(自身を含む): 66866688

約数和(自身を除く): 37009468

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 460, 470, 940, 1081, 1381, 2162, 2762, 4324, 5405, 5524, 6905, 10810, 13810, 21620, 27620, 31763, 63526, 64907, 127052, 129814, 158815, 259628, 317630, 324535, 635260, 649070, 1298140, 1492861, 2985722, 5971444, 7464305, 14928610, 29857220]

約数ペア:

[(1, 29857220), (2, 14928610), (4, 7464305), (5, 5971444), (10, 2985722), (20, 1492861), (23, 1298140), (46, 649070), (47, 635260), (92, 324535), (94, 317630), (115, 259628), (188, 158815), (230, 129814), (235, 127052), (460, 64907), (470, 63526), (940, 31763), (1081, 27620), (1381, 21620), (2162, 13810), (2762, 10810), (4324, 6905), (5405, 5524)]