4237520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:97

約数の個数: 120

約数和(自身を含む): 12213504

約数和(自身を除く): 7975984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 47, 49, 56, 70, 80, 92, 94, 98, 112, 115, 140, 161, 184, 188, 196, 230, 235, 245, 280, 322, 329, 368, 376, 392, 460, 470, 490, 560, 644, 658, 752, 784, 805, 920, 940, 980, 1081, 1127, 1288, 1316, 1610, 1645, 1840, 1880, 1960, 2162, 2254, 2303, 2576, 2632, 3220, 3290, 3760, 3920, 4324, 4508, 4606, 5264, 5405, 5635, 6440, 6580, 7567, 8648, 9016, 9212, 10810, 11270, 11515, 12880, 13160, 15134, 17296, 18032, 18424, 21620, 22540, 23030, 26320, 30268, 36848, 37835, 43240, 45080, 46060, 52969, 60536, 75670, 86480, 90160, 92120, 105938, 121072, 151340, 184240, 211876, 264845, 302680, 423752, 529690, 605360, 847504, 1059380, 2118760, 4237520]

約数ペア:

[(1, 4237520), (2, 2118760), (4, 1059380), (5, 847504), (7, 605360), (8, 529690), (10, 423752), (14, 302680), (16, 264845), (20, 211876), (23, 184240), (28, 151340), (35, 121072), (40, 105938), (46, 92120), (47, 90160), (49, 86480), (56, 75670), (70, 60536), (80, 52969), (92, 46060), (94, 45080), (98, 43240), (112, 37835), (115, 36848), (140, 30268), (161, 26320), (184, 23030), (188, 22540), (196, 21620), (230, 18424), (235, 18032), (245, 17296), (280, 15134), (322, 13160), (329, 12880), (368, 11515), (376, 11270), (392, 10810), (460, 9212), (470, 9016), (490, 8648), (560, 7567), (644, 6580), (658, 6440), (752, 5635), (784, 5405), (805, 5264), (920, 4606), (940, 4508), (980, 4324), (1081, 3920), (1127, 3760), (1288, 3290), (1316, 3220), (1610, 2632), (1645, 2576), (1840, 2303), (1880, 2254), (1960, 2162)]