740342120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{557}}^1$

素因数の和:723

約数の個数: 128

約数和(自身を含む): 1967016960

約数和(自身を除く): 1226674840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 101, 140, 188, 202, 235, 280, 329, 376, 404, 470, 505, 557, 658, 707, 808, 940, 1010, 1114, 1316, 1414, 1645, 1880, 2020, 2228, 2632, 2785, 2828, 3290, 3535, 3899, 4040, 4456, 4747, 5570, 5656, 6580, 7070, 7798, 9494, 11140, 13160, 14140, 15596, 18988, 19495, 22280, 23735, 26179, 28280, 31192, 33229, 37976, 38990, 47470, 52358, 56257, 66458, 77980, 94940, 104716, 112514, 130895, 132916, 155960, 166145, 183253, 189880, 209432, 225028, 261790, 265832, 281285, 332290, 366506, 393799, 450056, 523580, 562570, 664580, 733012, 787598, 916265, 1047160, 1125140, 1329160, 1466024, 1575196, 1832530, 1968995, 2250280, 2644079, 3150392, 3665060, 3937990, 5288158, 7330120, 7875980, 10576316, 13220395, 15751960, 18508553, 21152632, 26440790, 37017106, 52881580, 74034212, 92542765, 105763160, 148068424, 185085530, 370171060, 740342120]

約数ペア:

[(1, 740342120), (2, 370171060), (4, 185085530), (5, 148068424), (7, 105763160), (8, 92542765), (10, 74034212), (14, 52881580), (20, 37017106), (28, 26440790), (35, 21152632), (40, 18508553), (47, 15751960), (56, 13220395), (70, 10576316), (94, 7875980), (101, 7330120), (140, 5288158), (188, 3937990), (202, 3665060), (235, 3150392), (280, 2644079), (329, 2250280), (376, 1968995), (404, 1832530), (470, 1575196), (505, 1466024), (557, 1329160), (658, 1125140), (707, 1047160), (808, 916265), (940, 787598), (1010, 733012), (1114, 664580), (1316, 562570), (1414, 523580), (1645, 450056), (1880, 393799), (2020, 366506), (2228, 332290), (2632, 281285), (2785, 265832), (2828, 261790), (3290, 225028), (3535, 209432), (3899, 189880), (4040, 183253), (4456, 166145), (4747, 155960), (5570, 132916), (5656, 130895), (6580, 112514), (7070, 104716), (7798, 94940), (9494, 77980), (11140, 66458), (13160, 56257), (14140, 52358), (15596, 47470), (18988, 38990), (19495, 37976), (22280, 33229), (23735, 31192), (26179, 28280)]