71399020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{653}}^1$

素因数の和:751

約数の個数: 96

約数和(自身を含む): 189858816

約数和(自身を除く): 118459796

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 71, 77, 110, 140, 142, 154, 220, 284, 308, 355, 385, 497, 653, 710, 770, 781, 994, 1306, 1420, 1540, 1562, 1988, 2485, 2612, 3124, 3265, 3905, 4571, 4970, 5467, 6530, 7183, 7810, 9142, 9940, 10934, 13060, 14366, 15620, 18284, 21868, 22855, 27335, 28732, 35915, 45710, 46363, 50281, 54670, 71830, 91420, 92726, 100562, 109340, 143660, 185452, 201124, 231815, 251405, 324541, 463630, 502810, 509993, 649082, 927260, 1005620, 1019986, 1298164, 1622705, 2039972, 2549965, 3245410, 3569951, 5099930, 6490820, 7139902, 10199860, 14279804, 17849755, 35699510, 71399020]

約数ペア:

[(1, 71399020), (2, 35699510), (4, 17849755), (5, 14279804), (7, 10199860), (10, 7139902), (11, 6490820), (14, 5099930), (20, 3569951), (22, 3245410), (28, 2549965), (35, 2039972), (44, 1622705), (55, 1298164), (70, 1019986), (71, 1005620), (77, 927260), (110, 649082), (140, 509993), (142, 502810), (154, 463630), (220, 324541), (284, 251405), (308, 231815), (355, 201124), (385, 185452), (497, 143660), (653, 109340), (710, 100562), (770, 92726), (781, 91420), (994, 71830), (1306, 54670), (1420, 50281), (1540, 46363), (1562, 45710), (1988, 35915), (2485, 28732), (2612, 27335), (3124, 22855), (3265, 21868), (3905, 18284), (4571, 15620), (4970, 14366), (5467, 13060), (6530, 10934), (7183, 9940), (7810, 9142)]