388557680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{827}}^1\times {\mathrm{839}}^1$

素因数の和:1686

約数の個数: 80

約数和(自身を含む): 1034933760

約数和(自身を除く): 646376080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 827, 839, 1654, 1678, 3308, 3356, 4135, 4195, 5789, 5873, 6616, 6712, 8270, 8390, 11578, 11746, 13232, 13424, 16540, 16780, 23156, 23492, 28945, 29365, 33080, 33560, 46312, 46984, 57890, 58730, 66160, 67120, 92624, 93968, 115780, 117460, 231560, 234920, 463120, 469840, 693853, 1387706, 2775412, 3469265, 4856971, 5550824, 6938530, 9713942, 11101648, 13877060, 19427884, 24284855, 27754120, 38855768, 48569710, 55508240, 77711536, 97139420, 194278840, 388557680]

約数ペア:

[(1, 388557680), (2, 194278840), (4, 97139420), (5, 77711536), (7, 55508240), (8, 48569710), (10, 38855768), (14, 27754120), (16, 24284855), (20, 19427884), (28, 13877060), (35, 11101648), (40, 9713942), (56, 6938530), (70, 5550824), (80, 4856971), (112, 3469265), (140, 2775412), (280, 1387706), (560, 693853), (827, 469840), (839, 463120), (1654, 234920), (1678, 231560), (3308, 117460), (3356, 115780), (4135, 93968), (4195, 92624), (5789, 67120), (5873, 66160), (6616, 58730), (6712, 57890), (8270, 46984), (8390, 46312), (11578, 33560), (11746, 33080), (13232, 29365), (13424, 28945), (16540, 23492), (16780, 23156)]