128380340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{30713}}^1$

素因数の和:30752

約数の個数: 48

約数和(自身を含む): 309597120

約数和(自身を除く): 181216780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 30713, 61426, 122852, 153565, 307130, 337843, 583547, 614260, 675686, 1167094, 1351372, 1689215, 2334188, 2917735, 3378430, 5835470, 6419017, 6756860, 11670940, 12838034, 25676068, 32095085, 64190170, 128380340]

約数ペア:

[(1, 128380340), (2, 64190170), (4, 32095085), (5, 25676068), (10, 12838034), (11, 11670940), (19, 6756860), (20, 6419017), (22, 5835470), (38, 3378430), (44, 2917735), (55, 2334188), (76, 1689215), (95, 1351372), (110, 1167094), (190, 675686), (209, 614260), (220, 583547), (380, 337843), (418, 307130), (836, 153565), (1045, 122852), (2090, 61426), (4180, 30713)]