2043580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1327}}^1$

素因数の和:1354

約数の個数: 48

約数和(自身を含む): 5354496

約数和(自身を除く): 3310916

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1327, 1540, 2654, 5308, 6635, 9289, 13270, 14597, 18578, 26540, 29194, 37156, 46445, 58388, 72985, 92890, 102179, 145970, 185780, 204358, 291940, 408716, 510895, 1021790, 2043580]

約数ペア:

[(1, 2043580), (2, 1021790), (4, 510895), (5, 408716), (7, 291940), (10, 204358), (11, 185780), (14, 145970), (20, 102179), (22, 92890), (28, 72985), (35, 58388), (44, 46445), (55, 37156), (70, 29194), (77, 26540), (110, 18578), (140, 14597), (154, 13270), (220, 9289), (308, 6635), (385, 5308), (770, 2654), (1327, 1540)]