1222400

素因数分解:

$2^8\times 5^2\times {\mathrm{191}}^1$

素因数の和:217

約数の個数: 54

約数和(自身を含む): 3041472

約数和(自身を除く): 1819072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 191, 200, 256, 320, 382, 400, 640, 764, 800, 955, 1280, 1528, 1600, 1910, 3056, 3200, 3820, 4775, 6112, 6400, 7640, 9550, 12224, 15280, 19100, 24448, 30560, 38200, 48896, 61120, 76400, 122240, 152800, 244480, 305600, 611200, 1222400]

約数ペア:

[(1, 1222400), (2, 611200), (4, 305600), (5, 244480), (8, 152800), (10, 122240), (16, 76400), (20, 61120), (25, 48896), (32, 38200), (40, 30560), (50, 24448), (64, 19100), (80, 15280), (100, 12224), (128, 9550), (160, 7640), (191, 6400), (200, 6112), (256, 4775), (320, 3820), (382, 3200), (400, 3056), (640, 1910), (764, 1600), (800, 1528), (955, 1280)]