387011440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{1381}}^1$

素因数の和:1538

約数の個数: 80

約数和(自身を含む): 937725696

約数和(自身を除く): 550714256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 113, 124, 155, 226, 248, 310, 452, 496, 565, 620, 904, 1130, 1240, 1381, 1808, 2260, 2480, 2762, 3503, 4520, 5524, 6905, 7006, 9040, 11048, 13810, 14012, 17515, 22096, 27620, 28024, 35030, 42811, 55240, 56048, 70060, 85622, 110480, 140120, 156053, 171244, 214055, 280240, 312106, 342488, 428110, 624212, 684976, 780265, 856220, 1248424, 1560530, 1712440, 2496848, 3121060, 3424880, 4837643, 6242120, 9675286, 12484240, 19350572, 24188215, 38701144, 48376430, 77402288, 96752860, 193505720, 387011440]

約数ペア:

[(1, 387011440), (2, 193505720), (4, 96752860), (5, 77402288), (8, 48376430), (10, 38701144), (16, 24188215), (20, 19350572), (31, 12484240), (40, 9675286), (62, 6242120), (80, 4837643), (113, 3424880), (124, 3121060), (155, 2496848), (226, 1712440), (248, 1560530), (310, 1248424), (452, 856220), (496, 780265), (565, 684976), (620, 624212), (904, 428110), (1130, 342488), (1240, 312106), (1381, 280240), (1808, 214055), (2260, 171244), (2480, 156053), (2762, 140120), (3503, 110480), (4520, 85622), (5524, 70060), (6905, 56048), (7006, 55240), (9040, 42811), (11048, 35030), (13810, 28024), (14012, 27620), (17515, 22096)]