1387902400

素因数分解:

$2^6\times 5^2\times {\mathrm{43}}^1\times {\mathrm{20173}}^1$

素因数の和:20238

約数の個数: 84

約数和(自身を含む): 3494701672

約数和(自身を除く): 2106799272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 64, 80, 86, 100, 160, 172, 200, 215, 320, 344, 400, 430, 688, 800, 860, 1075, 1376, 1600, 1720, 2150, 2752, 3440, 4300, 6880, 8600, 13760, 17200, 20173, 34400, 40346, 68800, 80692, 100865, 161384, 201730, 322768, 403460, 504325, 645536, 806920, 867439, 1008650, 1291072, 1613840, 1734878, 2017300, 3227680, 3469756, 4034600, 4337195, 6455360, 6939512, 8069200, 8674390, 13879024, 16138400, 17348780, 21685975, 27758048, 32276800, 34697560, 43371950, 55516096, 69395120, 86743900, 138790240, 173487800, 277580480, 346975600, 693951200, 1387902400]

約数ペア:

[(1, 1387902400), (2, 693951200), (4, 346975600), (5, 277580480), (8, 173487800), (10, 138790240), (16, 86743900), (20, 69395120), (25, 55516096), (32, 43371950), (40, 34697560), (43, 32276800), (50, 27758048), (64, 21685975), (80, 17348780), (86, 16138400), (100, 13879024), (160, 8674390), (172, 8069200), (200, 6939512), (215, 6455360), (320, 4337195), (344, 4034600), (400, 3469756), (430, 3227680), (688, 2017300), (800, 1734878), (860, 1613840), (1075, 1291072), (1376, 1008650), (1600, 867439), (1720, 806920), (2150, 645536), (2752, 504325), (3440, 403460), (4300, 322768), (6880, 201730), (8600, 161384), (13760, 100865), (17200, 80692), (20173, 68800), (34400, 40346)]