81710200

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2857}}^1$

素因数の和:2897

約数の個数: 96

約数和(自身を含む): 223266960

約数和(自身を除く): 141556760

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 25, 26, 40, 44, 50, 52, 55, 65, 88, 100, 104, 110, 130, 143, 200, 220, 260, 275, 286, 325, 440, 520, 550, 572, 650, 715, 1100, 1144, 1300, 1430, 2200, 2600, 2857, 2860, 3575, 5714, 5720, 7150, 11428, 14285, 14300, 22856, 28570, 28600, 31427, 37141, 57140, 62854, 71425, 74282, 114280, 125708, 142850, 148564, 157135, 185705, 251416, 285700, 297128, 314270, 371410, 408551, 571400, 628540, 742820, 785675, 817102, 928525, 1257080, 1485640, 1571350, 1634204, 1857050, 2042755, 3142700, 3268408, 3714100, 4085510, 6285400, 7428200, 8171020, 10213775, 16342040, 20427550, 40855100, 81710200]

約数ペア:

[(1, 81710200), (2, 40855100), (4, 20427550), (5, 16342040), (8, 10213775), (10, 8171020), (11, 7428200), (13, 6285400), (20, 4085510), (22, 3714100), (25, 3268408), (26, 3142700), (40, 2042755), (44, 1857050), (50, 1634204), (52, 1571350), (55, 1485640), (65, 1257080), (88, 928525), (100, 817102), (104, 785675), (110, 742820), (130, 628540), (143, 571400), (200, 408551), (220, 371410), (260, 314270), (275, 297128), (286, 285700), (325, 251416), (440, 185705), (520, 157135), (550, 148564), (572, 142850), (650, 125708), (715, 114280), (1100, 74282), (1144, 71425), (1300, 62854), (1430, 57140), (2200, 37141), (2600, 31427), (2857, 28600), (2860, 28570), (3575, 22856), (5714, 14300), (5720, 14285), (7150, 11428)]