7643020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{709}}^1$

素因数の和:743

約数の個数: 72

約数和(自身を含む): 20396880

約数和(自身を除く): 12753860

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 709, 770, 980, 1078, 1418, 1540, 2156, 2695, 2836, 3545, 4963, 5390, 7090, 7799, 9926, 10780, 14180, 15598, 19852, 24815, 31196, 34741, 38995, 49630, 54593, 69482, 77990, 99260, 109186, 138964, 155980, 173705, 218372, 272965, 347410, 382151, 545930, 694820, 764302, 1091860, 1528604, 1910755, 3821510, 7643020]

約数ペア:

[(1, 7643020), (2, 3821510), (4, 1910755), (5, 1528604), (7, 1091860), (10, 764302), (11, 694820), (14, 545930), (20, 382151), (22, 347410), (28, 272965), (35, 218372), (44, 173705), (49, 155980), (55, 138964), (70, 109186), (77, 99260), (98, 77990), (110, 69482), (140, 54593), (154, 49630), (196, 38995), (220, 34741), (245, 31196), (308, 24815), (385, 19852), (490, 15598), (539, 14180), (709, 10780), (770, 9926), (980, 7799), (1078, 7090), (1418, 5390), (1540, 4963), (2156, 3545), (2695, 2836)]