426288640

素因数分解:

$2^9\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1871}}^1$

素因数の和:1983

約数の個数: 80

約数和(自身を含む): 1034130240

約数和(自身を除く): 607841600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 256, 320, 356, 445, 512, 640, 712, 890, 1280, 1424, 1780, 1871, 2560, 2848, 3560, 3742, 5696, 7120, 7484, 9355, 11392, 14240, 14968, 18710, 22784, 28480, 29936, 37420, 45568, 56960, 59872, 74840, 113920, 119744, 149680, 166519, 227840, 239488, 299360, 333038, 478976, 598720, 666076, 832595, 957952, 1197440, 1332152, 1665190, 2394880, 2664304, 3330380, 4789760, 5328608, 6660760, 10657216, 13321520, 21314432, 26643040, 42628864, 53286080, 85257728, 106572160, 213144320, 426288640]

約数ペア:

[(1, 426288640), (2, 213144320), (4, 106572160), (5, 85257728), (8, 53286080), (10, 42628864), (16, 26643040), (20, 21314432), (32, 13321520), (40, 10657216), (64, 6660760), (80, 5328608), (89, 4789760), (128, 3330380), (160, 2664304), (178, 2394880), (256, 1665190), (320, 1332152), (356, 1197440), (445, 957952), (512, 832595), (640, 666076), (712, 598720), (890, 478976), (1280, 333038), (1424, 299360), (1780, 239488), (1871, 227840), (2560, 166519), (2848, 149680), (3560, 119744), (3742, 113920), (5696, 74840), (7120, 59872), (7484, 56960), (9355, 45568), (11392, 37420), (14240, 29936), (14968, 28480), (18710, 22784)]