287740700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1049}}^1$

素因数の和:1287

約数の個数: 72

約数和(自身を含む): 676258800

約数和(自身を除く): 388518100

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 211, 260, 325, 422, 650, 844, 1049, 1055, 1300, 2098, 2110, 2743, 4196, 4220, 5245, 5275, 5486, 10490, 10550, 10972, 13637, 13715, 20980, 21100, 26225, 27274, 27430, 52450, 54548, 54860, 68185, 68575, 104900, 136370, 137150, 221339, 272740, 274300, 340925, 442678, 681850, 885356, 1106695, 1363700, 2213390, 2877407, 4426780, 5533475, 5754814, 11066950, 11509628, 14387035, 22133900, 28774070, 57548140, 71935175, 143870350, 287740700]

約数ペア:

[(1, 287740700), (2, 143870350), (4, 71935175), (5, 57548140), (10, 28774070), (13, 22133900), (20, 14387035), (25, 11509628), (26, 11066950), (50, 5754814), (52, 5533475), (65, 4426780), (100, 2877407), (130, 2213390), (211, 1363700), (260, 1106695), (325, 885356), (422, 681850), (650, 442678), (844, 340925), (1049, 274300), (1055, 272740), (1300, 221339), (2098, 137150), (2110, 136370), (2743, 104900), (4196, 68575), (4220, 68185), (5245, 54860), (5275, 54548), (5486, 52450), (10490, 27430), (10550, 27274), (10972, 26225), (13637, 21100), (13715, 20980)]