140353720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6277}}^1$

素因数の和:6344

約数の個数: 64

約数和(自身を含む): 348052320

約数和(自身を除く): 207698600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 860, 1118, 1720, 2236, 2795, 4472, 5590, 6277, 11180, 12554, 22360, 25108, 31385, 50216, 62770, 81601, 125540, 163202, 251080, 269911, 326404, 408005, 539822, 652808, 816010, 1079644, 1349555, 1632020, 2159288, 2699110, 3264040, 3508843, 5398220, 7017686, 10796440, 14035372, 17544215, 28070744, 35088430, 70176860, 140353720]

約数ペア:

[(1, 140353720), (2, 70176860), (4, 35088430), (5, 28070744), (8, 17544215), (10, 14035372), (13, 10796440), (20, 7017686), (26, 5398220), (40, 3508843), (43, 3264040), (52, 2699110), (65, 2159288), (86, 1632020), (104, 1349555), (130, 1079644), (172, 816010), (215, 652808), (260, 539822), (344, 408005), (430, 326404), (520, 269911), (559, 251080), (860, 163202), (1118, 125540), (1720, 81601), (2236, 62770), (2795, 50216), (4472, 31385), (5590, 25108), (6277, 22360), (11180, 12554)]