193505720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{1381}}^1$

素因数の和:1536

約数の個数: 64

約数和(自身を含む): 453738240

約数和(自身を除く): 260232520

約数列:

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

約数ペア:

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