8379420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:371

約数の個数: 96

約数和(自身を含む): 27288576

約数和(自身を除く): 18909156

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 71, 84, 105, 140, 142, 210, 213, 281, 284, 355, 420, 426, 497, 562, 710, 843, 852, 994, 1065, 1124, 1405, 1420, 1491, 1686, 1967, 1988, 2130, 2485, 2810, 2982, 3372, 3934, 4215, 4260, 4970, 5620, 5901, 5964, 7455, 7868, 8430, 9835, 9940, 11802, 14910, 16860, 19670, 19951, 23604, 29505, 29820, 39340, 39902, 59010, 59853, 79804, 99755, 118020, 119706, 139657, 199510, 239412, 279314, 299265, 399020, 418971, 558628, 598530, 698285, 837942, 1197060, 1396570, 1675884, 2094855, 2793140, 4189710, 8379420]

約数ペア:

[(1, 8379420), (2, 4189710), (3, 2793140), (4, 2094855), (5, 1675884), (6, 1396570), (7, 1197060), (10, 837942), (12, 698285), (14, 598530), (15, 558628), (20, 418971), (21, 399020), (28, 299265), (30, 279314), (35, 239412), (42, 199510), (60, 139657), (70, 119706), (71, 118020), (84, 99755), (105, 79804), (140, 59853), (142, 59010), (210, 39902), (213, 39340), (281, 29820), (284, 29505), (355, 23604), (420, 19951), (426, 19670), (497, 16860), (562, 14910), (710, 11802), (843, 9940), (852, 9835), (994, 8430), (1065, 7868), (1124, 7455), (1405, 5964), (1420, 5901), (1491, 5620), (1686, 4970), (1967, 4260), (1988, 4215), (2130, 3934), (2485, 3372), (2810, 2982)]