278280950

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1823}}^1$

素因数の和:1949

約数の個数: 48

約数和(自身を含む): 537394176

約数和(自身を除く): 259113226

約数列:

[1, 2, 5, 10, 25, 43, 50, 71, 86, 142, 215, 355, 430, 710, 1075, 1775, 1823, 2150, 3053, 3550, 3646, 6106, 9115, 15265, 18230, 30530, 45575, 76325, 78389, 91150, 129433, 152650, 156778, 258866, 391945, 647165, 783890, 1294330, 1959725, 3235825, 3919450, 5565619, 6471650, 11131238, 27828095, 55656190, 139140475, 278280950]

約数ペア:

[(1, 278280950), (2, 139140475), (5, 55656190), (10, 27828095), (25, 11131238), (43, 6471650), (50, 5565619), (71, 3919450), (86, 3235825), (142, 1959725), (215, 1294330), (355, 783890), (430, 647165), (710, 391945), (1075, 258866), (1775, 156778), (1823, 152650), (2150, 129433), (3053, 91150), (3550, 78389), (3646, 76325), (6106, 45575), (9115, 30530), (15265, 18230)]