254440000

素因数分解:

$2^6\times 5^4\times {\mathrm{6361}}^1$

素因数の和:6393

約数の個数: 70

約数和(自身を含む): 631027694

約数和(自身を除く): 376587694

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 625, 800, 1000, 1250, 1600, 2000, 2500, 4000, 5000, 6361, 8000, 10000, 12722, 20000, 25444, 31805, 40000, 50888, 63610, 101776, 127220, 159025, 203552, 254440, 318050, 407104, 508880, 636100, 795125, 1017760, 1272200, 1590250, 2035520, 2544400, 3180500, 3975625, 5088800, 6361000, 7951250, 10177600, 12722000, 15902500, 25444000, 31805000, 50888000, 63610000, 127220000, 254440000]

約数ペア:

[(1, 254440000), (2, 127220000), (4, 63610000), (5, 50888000), (8, 31805000), (10, 25444000), (16, 15902500), (20, 12722000), (25, 10177600), (32, 7951250), (40, 6361000), (50, 5088800), (64, 3975625), (80, 3180500), (100, 2544400), (125, 2035520), (160, 1590250), (200, 1272200), (250, 1017760), (320, 795125), (400, 636100), (500, 508880), (625, 407104), (800, 318050), (1000, 254440), (1250, 203552), (1600, 159025), (2000, 127220), (2500, 101776), (4000, 63610), (5000, 50888), (6361, 40000), (8000, 31805), (10000, 25444), (12722, 20000)]