390329600

素因数分解:

$2^8\times 5^2\times {\mathrm{71}}^1\times {\mathrm{859}}^1$

素因数の和:956

約数の個数: 108

約数和(自身を含む): 980874720

約数和(自身を除く): 590545120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 71, 80, 100, 128, 142, 160, 200, 256, 284, 320, 355, 400, 568, 640, 710, 800, 859, 1136, 1280, 1420, 1600, 1718, 1775, 2272, 2840, 3200, 3436, 3550, 4295, 4544, 5680, 6400, 6872, 7100, 8590, 9088, 11360, 13744, 14200, 17180, 18176, 21475, 22720, 27488, 28400, 34360, 42950, 45440, 54976, 56800, 60989, 68720, 85900, 90880, 109952, 113600, 121978, 137440, 171800, 219904, 227200, 243956, 274880, 304945, 343600, 454400, 487912, 549760, 609890, 687200, 975824, 1099520, 1219780, 1374400, 1524725, 1951648, 2439560, 2748800, 3049450, 3903296, 4879120, 5497600, 6098900, 7806592, 9758240, 12197800, 15613184, 19516480, 24395600, 39032960, 48791200, 78065920, 97582400, 195164800, 390329600]

約数ペア:

[(1, 390329600), (2, 195164800), (4, 97582400), (5, 78065920), (8, 48791200), (10, 39032960), (16, 24395600), (20, 19516480), (25, 15613184), (32, 12197800), (40, 9758240), (50, 7806592), (64, 6098900), (71, 5497600), (80, 4879120), (100, 3903296), (128, 3049450), (142, 2748800), (160, 2439560), (200, 1951648), (256, 1524725), (284, 1374400), (320, 1219780), (355, 1099520), (400, 975824), (568, 687200), (640, 609890), (710, 549760), (800, 487912), (859, 454400), (1136, 343600), (1280, 304945), (1420, 274880), (1600, 243956), (1718, 227200), (1775, 219904), (2272, 171800), (2840, 137440), (3200, 121978), (3436, 113600), (3550, 109952), (4295, 90880), (4544, 85900), (5680, 68720), (6400, 60989), (6872, 56800), (7100, 54976), (8590, 45440), (9088, 42950), (11360, 34360), (13744, 28400), (14200, 27488), (17180, 22720), (18176, 21475)]