345920

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:87

約数の個数: 56

約数和(自身を含む): 877824

約数和(自身を除く): 531904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 47, 64, 80, 92, 94, 115, 160, 184, 188, 230, 235, 320, 368, 376, 460, 470, 736, 752, 920, 940, 1081, 1472, 1504, 1840, 1880, 2162, 3008, 3680, 3760, 4324, 5405, 7360, 7520, 8648, 10810, 15040, 17296, 21620, 34592, 43240, 69184, 86480, 172960, 345920]

約数ペア:

[(1, 345920), (2, 172960), (4, 86480), (5, 69184), (8, 43240), (10, 34592), (16, 21620), (20, 17296), (23, 15040), (32, 10810), (40, 8648), (46, 7520), (47, 7360), (64, 5405), (80, 4324), (92, 3760), (94, 3680), (115, 3008), (160, 2162), (184, 1880), (188, 1840), (230, 1504), (235, 1472), (320, 1081), (368, 940), (376, 920), (460, 752), (470, 736)]