247967140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{17389}}^1$

素因数の和:17452

約数の個数: 48

約数和(自身を含む): 560931840

約数和(自身を除く): 312964700

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 115, 124, 155, 230, 310, 460, 620, 713, 1426, 2852, 3565, 7130, 14260, 17389, 34778, 69556, 86945, 173890, 347780, 399947, 539059, 799894, 1078118, 1599788, 1999735, 2156236, 2695295, 3999470, 5390590, 7998940, 10781180, 12398357, 24796714, 49593428, 61991785, 123983570, 247967140]

約数ペア:

[(1, 247967140), (2, 123983570), (4, 61991785), (5, 49593428), (10, 24796714), (20, 12398357), (23, 10781180), (31, 7998940), (46, 5390590), (62, 3999470), (92, 2695295), (115, 2156236), (124, 1999735), (155, 1599788), (230, 1078118), (310, 799894), (460, 539059), (620, 399947), (713, 347780), (1426, 173890), (2852, 86945), (3565, 69556), (7130, 34778), (14260, 17389)]