28000560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{2381}}^1$

素因数の和:2411

約数の個数: 120

約数和(自身を含む): 101015856

約数和(自身を除く): 73015296

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2381, 2940, 3920, 4762, 5880, 7143, 9524, 11760, 11905, 14286, 16667, 19048, 23810, 28572, 33334, 35715, 38096, 47620, 50001, 57144, 66668, 71430, 83335, 95240, 100002, 114288, 116669, 133336, 142860, 166670, 190480, 200004, 233338, 250005, 266672, 285720, 333340, 350007, 400008, 466676, 500010, 571440, 583345, 666680, 700014, 800016, 933352, 1000020, 1166690, 1333360, 1400028, 1750035, 1866704, 2000040, 2333380, 2800056, 3500070, 4000080, 4666760, 5600112, 7000140, 9333520, 14000280, 28000560]

約数ペア:

[(1, 28000560), (2, 14000280), (3, 9333520), (4, 7000140), (5, 5600112), (6, 4666760), (7, 4000080), (8, 3500070), (10, 2800056), (12, 2333380), (14, 2000040), (15, 1866704), (16, 1750035), (20, 1400028), (21, 1333360), (24, 1166690), (28, 1000020), (30, 933352), (35, 800016), (40, 700014), (42, 666680), (48, 583345), (49, 571440), (56, 500010), (60, 466676), (70, 400008), (80, 350007), (84, 333340), (98, 285720), (105, 266672), (112, 250005), (120, 233338), (140, 200004), (147, 190480), (168, 166670), (196, 142860), (210, 133336), (240, 116669), (245, 114288), (280, 100002), (294, 95240), (336, 83335), (392, 71430), (420, 66668), (490, 57144), (560, 50001), (588, 47620), (735, 38096), (784, 35715), (840, 33334), (980, 28572), (1176, 23810), (1470, 19048), (1680, 16667), (1960, 14286), (2352, 11905), (2381, 11760), (2940, 9524), (3920, 7143), (4762, 5880)]