280375088

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{317}}^1$

素因数の和:534

約数の個数: 80

約数和(自身を含む): 638798400

約数和(自身を除く): 358423312

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 149, 212, 298, 317, 371, 424, 596, 634, 742, 848, 1043, 1192, 1268, 1484, 2086, 2219, 2384, 2536, 2968, 4172, 4438, 5072, 5936, 7897, 8344, 8876, 15794, 16688, 16801, 17752, 31588, 33602, 35504, 47233, 55279, 63176, 67204, 94466, 110558, 117607, 126352, 134408, 188932, 221116, 235214, 268816, 330631, 377864, 442232, 470428, 661262, 755728, 884464, 940856, 1322524, 1881712, 2503349, 2645048, 5006698, 5290096, 10013396, 17523443, 20026792, 35046886, 40053584, 70093772, 140187544, 280375088]

約数ペア:

[(1, 280375088), (2, 140187544), (4, 70093772), (7, 40053584), (8, 35046886), (14, 20026792), (16, 17523443), (28, 10013396), (53, 5290096), (56, 5006698), (106, 2645048), (112, 2503349), (149, 1881712), (212, 1322524), (298, 940856), (317, 884464), (371, 755728), (424, 661262), (596, 470428), (634, 442232), (742, 377864), (848, 330631), (1043, 268816), (1192, 235214), (1268, 221116), (1484, 188932), (2086, 134408), (2219, 126352), (2384, 117607), (2536, 110558), (2968, 94466), (4172, 67204), (4438, 63176), (5072, 55279), (5936, 47233), (7897, 35504), (8344, 33602), (8876, 31588), (15794, 17752), (16688, 16801)]