30883000

素因数分解:

$2^3\times 5^3\times {\mathrm{89}}^1\times {\mathrm{347}}^1$

素因数の和:457

約数の個数: 64

約数和(自身を含む): 73288800

約数和(自身を除く): 42405800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 89, 100, 125, 178, 200, 250, 347, 356, 445, 500, 694, 712, 890, 1000, 1388, 1735, 1780, 2225, 2776, 3470, 3560, 4450, 6940, 8675, 8900, 11125, 13880, 17350, 17800, 22250, 30883, 34700, 43375, 44500, 61766, 69400, 86750, 89000, 123532, 154415, 173500, 247064, 308830, 347000, 617660, 772075, 1235320, 1544150, 3088300, 3860375, 6176600, 7720750, 15441500, 30883000]

約数ペア:

[(1, 30883000), (2, 15441500), (4, 7720750), (5, 6176600), (8, 3860375), (10, 3088300), (20, 1544150), (25, 1235320), (40, 772075), (50, 617660), (89, 347000), (100, 308830), (125, 247064), (178, 173500), (200, 154415), (250, 123532), (347, 89000), (356, 86750), (445, 69400), (500, 61766), (694, 44500), (712, 43375), (890, 34700), (1000, 30883), (1388, 22250), (1735, 17800), (1780, 17350), (2225, 13880), (2776, 11125), (3470, 8900), (3560, 8675), (4450, 6940)]