221427200

素因数分解:

$2^9\times 5^2\times {\mathrm{17299}}^1$

素因数の和:17327

約数の個数: 60

約数和(自身を含む): 548634900

約数和(自身を除く): 327207700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1280, 1600, 2560, 3200, 6400, 12800, 17299, 34598, 69196, 86495, 138392, 172990, 276784, 345980, 432475, 553568, 691960, 864950, 1107136, 1383920, 1729900, 2214272, 2767840, 3459800, 4428544, 5535680, 6919600, 8857088, 11071360, 13839200, 22142720, 27678400, 44285440, 55356800, 110713600, 221427200]

約数ペア:

[(1, 221427200), (2, 110713600), (4, 55356800), (5, 44285440), (8, 27678400), (10, 22142720), (16, 13839200), (20, 11071360), (25, 8857088), (32, 6919600), (40, 5535680), (50, 4428544), (64, 3459800), (80, 2767840), (100, 2214272), (128, 1729900), (160, 1383920), (200, 1107136), (256, 864950), (320, 691960), (400, 553568), (512, 432475), (640, 345980), (800, 276784), (1280, 172990), (1600, 138392), (2560, 86495), (3200, 69196), (6400, 34598), (12800, 17299)]