42210520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:185

約数の個数: 128

約数和(自身を含む): 111767040

約数和(自身を除く): 69556520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 43, 44, 46, 55, 86, 88, 92, 97, 110, 115, 172, 184, 194, 215, 220, 230, 253, 344, 388, 430, 440, 460, 473, 485, 506, 776, 860, 920, 946, 970, 989, 1012, 1067, 1265, 1720, 1892, 1940, 1978, 2024, 2134, 2231, 2365, 2530, 3784, 3880, 3956, 4171, 4268, 4462, 4730, 4945, 5060, 5335, 7912, 8342, 8536, 8924, 9460, 9890, 10120, 10670, 10879, 11155, 16684, 17848, 18920, 19780, 20855, 21340, 21758, 22310, 24541, 33368, 39560, 41710, 42680, 43516, 44620, 45881, 49082, 54395, 83420, 87032, 89240, 91762, 95933, 98164, 108790, 122705, 166840, 183524, 191866, 196328, 217580, 229405, 245410, 367048, 383732, 435160, 458810, 479665, 490820, 767464, 917620, 959330, 981640, 1055263, 1835240, 1918660, 2110526, 3837320, 4221052, 5276315, 8442104, 10552630, 21105260, 42210520]

約数ペア:

[(1, 42210520), (2, 21105260), (4, 10552630), (5, 8442104), (8, 5276315), (10, 4221052), (11, 3837320), (20, 2110526), (22, 1918660), (23, 1835240), (40, 1055263), (43, 981640), (44, 959330), (46, 917620), (55, 767464), (86, 490820), (88, 479665), (92, 458810), (97, 435160), (110, 383732), (115, 367048), (172, 245410), (184, 229405), (194, 217580), (215, 196328), (220, 191866), (230, 183524), (253, 166840), (344, 122705), (388, 108790), (430, 98164), (440, 95933), (460, 91762), (473, 89240), (485, 87032), (506, 83420), (776, 54395), (860, 49082), (920, 45881), (946, 44620), (970, 43516), (989, 42680), (1012, 41710), (1067, 39560), (1265, 33368), (1720, 24541), (1892, 22310), (1940, 21758), (1978, 21340), (2024, 20855), (2134, 19780), (2231, 18920), (2365, 17848), (2530, 16684), (3784, 11155), (3880, 10879), (3956, 10670), (4171, 10120), (4268, 9890), (4462, 9460), (4730, 8924), (4945, 8536), (5060, 8342), (5335, 7912)]