142002840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2381}}^1$

素因数の和:2473

約数の個数: 128

約数和(自身を含む): 493931520

約数和(自身を除く): 351928680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 355, 420, 426, 497, 568, 710, 840, 852, 994, 1065, 1420, 1491, 1704, 1988, 2130, 2381, 2485, 2840, 2982, 3976, 4260, 4762, 4970, 5964, 7143, 7455, 8520, 9524, 9940, 11905, 11928, 14286, 14910, 16667, 19048, 19880, 23810, 28572, 29820, 33334, 35715, 47620, 50001, 57144, 59640, 66668, 71430, 83335, 95240, 100002, 133336, 142860, 166670, 169051, 200004, 250005, 285720, 333340, 338102, 400008, 500010, 507153, 666680, 676204, 845255, 1000020, 1014306, 1183357, 1352408, 1690510, 2000040, 2028612, 2366714, 2535765, 3381020, 3550071, 4057224, 4733428, 5071530, 5916785, 6762040, 7100142, 9466856, 10143060, 11833570, 14200284, 17750355, 20286120, 23667140, 28400568, 35500710, 47334280, 71001420, 142002840]

約数ペア:

[(1, 142002840), (2, 71001420), (3, 47334280), (4, 35500710), (5, 28400568), (6, 23667140), (7, 20286120), (8, 17750355), (10, 14200284), (12, 11833570), (14, 10143060), (15, 9466856), (20, 7100142), (21, 6762040), (24, 5916785), (28, 5071530), (30, 4733428), (35, 4057224), (40, 3550071), (42, 3381020), (56, 2535765), (60, 2366714), (70, 2028612), (71, 2000040), (84, 1690510), (105, 1352408), (120, 1183357), (140, 1014306), (142, 1000020), (168, 845255), (210, 676204), (213, 666680), (280, 507153), (284, 500010), (355, 400008), (420, 338102), (426, 333340), (497, 285720), (568, 250005), (710, 200004), (840, 169051), (852, 166670), (994, 142860), (1065, 133336), (1420, 100002), (1491, 95240), (1704, 83335), (1988, 71430), (2130, 66668), (2381, 59640), (2485, 57144), (2840, 50001), (2982, 47620), (3976, 35715), (4260, 33334), (4762, 29820), (4970, 28572), (5964, 23810), (7143, 19880), (7455, 19048), (8520, 16667), (9524, 14910), (9940, 14286), (11905, 11928)]