2899000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{223}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 7338240

約数和(自身を除く): 4439240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 223, 250, 260, 325, 446, 500, 520, 650, 892, 1000, 1115, 1300, 1625, 1784, 2230, 2600, 2899, 3250, 4460, 5575, 5798, 6500, 8920, 11150, 11596, 13000, 14495, 22300, 23192, 27875, 28990, 44600, 55750, 57980, 72475, 111500, 115960, 144950, 223000, 289900, 362375, 579800, 724750, 1449500, 2899000]

約数ペア:

[(1, 2899000), (2, 1449500), (4, 724750), (5, 579800), (8, 362375), (10, 289900), (13, 223000), (20, 144950), (25, 115960), (26, 111500), (40, 72475), (50, 57980), (52, 55750), (65, 44600), (100, 28990), (104, 27875), (125, 23192), (130, 22300), (200, 14495), (223, 13000), (250, 11596), (260, 11150), (325, 8920), (446, 6500), (500, 5798), (520, 5575), (650, 4460), (892, 3250), (1000, 2899), (1115, 2600), (1300, 2230), (1625, 1784)]