213108340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{9857}}^1$

素因数の和:9936

約数の個数: 48

約数和(自身を含む): 476969472

約数和(自身を除く): 263861132

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 460, 470, 940, 1081, 2162, 4324, 5405, 9857, 10810, 19714, 21620, 39428, 49285, 98570, 197140, 226711, 453422, 463279, 906844, 926558, 1133555, 1853116, 2267110, 2316395, 4534220, 4632790, 9265580, 10655417, 21310834, 42621668, 53277085, 106554170, 213108340]

約数ペア:

[(1, 213108340), (2, 106554170), (4, 53277085), (5, 42621668), (10, 21310834), (20, 10655417), (23, 9265580), (46, 4632790), (47, 4534220), (92, 2316395), (94, 2267110), (115, 1853116), (188, 1133555), (230, 926558), (235, 906844), (460, 463279), (470, 453422), (940, 226711), (1081, 197140), (2162, 98570), (4324, 49285), (5405, 39428), (9857, 21620), (10810, 19714)]