28018540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6703}}^1$

素因数の和:6742

約数の個数: 48

約数和(自身を含む): 67576320

約数和(自身を除く): 39557780

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, 6703, 13406, 26812, 33515, 67030, 73733, 127357, 134060, 147466, 254714, 294932, 368665, 509428, 636785, 737330, 1273570, 1400927, 1474660, 2547140, 2801854, 5603708, 7004635, 14009270, 28018540]

約数ペア:

[(1, 28018540), (2, 14009270), (4, 7004635), (5, 5603708), (10, 2801854), (11, 2547140), (19, 1474660), (20, 1400927), (22, 1273570), (38, 737330), (44, 636785), (55, 509428), (76, 368665), (95, 294932), (110, 254714), (190, 147466), (209, 134060), (220, 127357), (380, 73733), (418, 67030), (836, 33515), (1045, 26812), (2090, 13406), (4180, 6703)]