449802560

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{45343}}^1$

素因数の和:45391

約数の個数: 56

約数和(自身を含む): 1105668096

約数和(自身を除く): 655865536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 45343, 90686, 181372, 226715, 362744, 453430, 725488, 906860, 1405633, 1450976, 1813720, 2811266, 2901952, 3627440, 5622532, 7028165, 7254880, 11245064, 14056330, 14509760, 22490128, 28112660, 44980256, 56225320, 89960512, 112450640, 224901280, 449802560]

約数ペア:

[(1, 449802560), (2, 224901280), (4, 112450640), (5, 89960512), (8, 56225320), (10, 44980256), (16, 28112660), (20, 22490128), (31, 14509760), (32, 14056330), (40, 11245064), (62, 7254880), (64, 7028165), (80, 5622532), (124, 3627440), (155, 2901952), (160, 2811266), (248, 1813720), (310, 1450976), (320, 1405633), (496, 906860), (620, 725488), (992, 453430), (1240, 362744), (1984, 226715), (2480, 181372), (4960, 90686), (9920, 45343)]