71001420

素因数分解:

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

素因数の和:2471

約数の個数: 96

約数和(自身を含む): 230501376

約数和(自身を除く): 159499956

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, 284, 355, 420, 426, 497, 710, 852, 994, 1065, 1420, 1491, 1988, 2130, 2381, 2485, 2982, 4260, 4762, 4970, 5964, 7143, 7455, 9524, 9940, 11905, 14286, 14910, 16667, 23810, 28572, 29820, 33334, 35715, 47620, 50001, 66668, 71430, 83335, 100002, 142860, 166670, 169051, 200004, 250005, 333340, 338102, 500010, 507153, 676204, 845255, 1000020, 1014306, 1183357, 1690510, 2028612, 2366714, 2535765, 3381020, 3550071, 4733428, 5071530, 5916785, 7100142, 10143060, 11833570, 14200284, 17750355, 23667140, 35500710, 71001420]

約数ペア:

[(1, 71001420), (2, 35500710), (3, 23667140), (4, 17750355), (5, 14200284), (6, 11833570), (7, 10143060), (10, 7100142), (12, 5916785), (14, 5071530), (15, 4733428), (20, 3550071), (21, 3381020), (28, 2535765), (30, 2366714), (35, 2028612), (42, 1690510), (60, 1183357), (70, 1014306), (71, 1000020), (84, 845255), (105, 676204), (140, 507153), (142, 500010), (210, 338102), (213, 333340), (284, 250005), (355, 200004), (420, 169051), (426, 166670), (497, 142860), (710, 100002), (852, 83335), (994, 71430), (1065, 66668), (1420, 50001), (1491, 47620), (1988, 35715), (2130, 33334), (2381, 29820), (2485, 28572), (2982, 23810), (4260, 16667), (4762, 14910), (4970, 14286), (5964, 11905), (7143, 9940), (7455, 9524)]