4352140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{881}}^1$

素因数の和:922

約数の個数: 48

約数和(自身を含む): 10372320

約数和(自身を除く): 6020180

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 881, 988, 1235, 1762, 2470, 3524, 4405, 4940, 8810, 11453, 16739, 17620, 22906, 33478, 45812, 57265, 66956, 83695, 114530, 167390, 217607, 229060, 334780, 435214, 870428, 1088035, 2176070, 4352140]

約数ペア:

[(1, 4352140), (2, 2176070), (4, 1088035), (5, 870428), (10, 435214), (13, 334780), (19, 229060), (20, 217607), (26, 167390), (38, 114530), (52, 83695), (65, 66956), (76, 57265), (95, 45812), (130, 33478), (190, 22906), (247, 17620), (260, 16739), (380, 11453), (494, 8810), (881, 4940), (988, 4405), (1235, 3524), (1762, 2470)]