1845987220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{16883}}^1$

素因数の和:16981

約数の個数: 96

約数和(自身を含む): 4901492736

約数和(自身を除く): 3055505516

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, 710, 770, 781, 994, 1420, 1540, 1562, 1988, 2485, 3124, 3905, 4970, 5467, 7810, 9940, 10934, 15620, 16883, 21868, 27335, 33766, 54670, 67532, 84415, 109340, 118181, 168830, 185713, 236362, 337660, 371426, 472724, 590905, 742852, 928565, 1181810, 1198693, 1299991, 1857130, 2363620, 2397386, 2599982, 3714260, 4794772, 5199964, 5993465, 6499955, 8390851, 11986930, 12999910, 13185623, 16781702, 23973860, 25999820, 26371246, 33563404, 41954255, 52742492, 65928115, 83908510, 92299361, 131856230, 167817020, 184598722, 263712460, 369197444, 461496805, 922993610, 1845987220]

約数ペア:

[(1, 1845987220), (2, 922993610), (4, 461496805), (5, 369197444), (7, 263712460), (10, 184598722), (11, 167817020), (14, 131856230), (20, 92299361), (22, 83908510), (28, 65928115), (35, 52742492), (44, 41954255), (55, 33563404), (70, 26371246), (71, 25999820), (77, 23973860), (110, 16781702), (140, 13185623), (142, 12999910), (154, 11986930), (220, 8390851), (284, 6499955), (308, 5993465), (355, 5199964), (385, 4794772), (497, 3714260), (710, 2599982), (770, 2397386), (781, 2363620), (994, 1857130), (1420, 1299991), (1540, 1198693), (1562, 1181810), (1988, 928565), (2485, 742852), (3124, 590905), (3905, 472724), (4970, 371426), (5467, 337660), (7810, 236362), (9940, 185713), (10934, 168830), (15620, 118181), (16883, 109340), (21868, 84415), (27335, 67532), (33766, 54670)]