72397990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{2081}}^1$

素因数の和:2173

約数の個数: 48

約数和(自身を含む): 153801504

約数和(自身を除く): 81403514

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 71, 98, 142, 245, 355, 490, 497, 710, 994, 2081, 2485, 3479, 4162, 4970, 6958, 10405, 14567, 17395, 20810, 29134, 34790, 72835, 101969, 145670, 147751, 203938, 295502, 509845, 738755, 1019690, 1034257, 1477510, 2068514, 5171285, 7239799, 10342570, 14479598, 36198995, 72397990]

約数ペア:

[(1, 72397990), (2, 36198995), (5, 14479598), (7, 10342570), (10, 7239799), (14, 5171285), (35, 2068514), (49, 1477510), (70, 1034257), (71, 1019690), (98, 738755), (142, 509845), (245, 295502), (355, 203938), (490, 147751), (497, 145670), (710, 101969), (994, 72835), (2081, 34790), (2485, 29134), (3479, 20810), (4162, 17395), (4970, 14567), (6958, 10405)]