280804838

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:357

約数の個数: 48

約数和(自身を含む): 473146800

約数和(自身を除く): 192341962

約数列:

[1, 2, 19, 23, 38, 46, 61, 122, 229, 437, 458, 529, 874, 1058, 1159, 1403, 2318, 2806, 4351, 5267, 8702, 10051, 10534, 13969, 20102, 26657, 27938, 32269, 53314, 64538, 100073, 121141, 200146, 242282, 265411, 321287, 530822, 613111, 642574, 1226222, 2301679, 4603358, 6104453, 7389601, 12208906, 14779202, 140402419, 280804838]

約数ペア:

[(1, 280804838), (2, 140402419), (19, 14779202), (23, 12208906), (38, 7389601), (46, 6104453), (61, 4603358), (122, 2301679), (229, 1226222), (437, 642574), (458, 613111), (529, 530822), (874, 321287), (1058, 265411), (1159, 242282), (1403, 200146), (2318, 121141), (2806, 100073), (4351, 64538), (5267, 53314), (8702, 32269), (10051, 27938), (10534, 26657), (13969, 20102)]