28221000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{409}}^1$

素因数の和:456

約数の個数: 128

約数和(自身を含む): 92102400

約数和(自身を除く): 63881400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 25, 30, 40, 46, 50, 60, 69, 75, 92, 100, 115, 120, 125, 138, 150, 184, 200, 230, 250, 276, 300, 345, 375, 409, 460, 500, 552, 575, 600, 690, 750, 818, 920, 1000, 1150, 1227, 1380, 1500, 1636, 1725, 2045, 2300, 2454, 2760, 2875, 3000, 3272, 3450, 4090, 4600, 4908, 5750, 6135, 6900, 8180, 8625, 9407, 9816, 10225, 11500, 12270, 13800, 16360, 17250, 18814, 20450, 23000, 24540, 28221, 30675, 34500, 37628, 40900, 47035, 49080, 51125, 56442, 61350, 69000, 75256, 81800, 94070, 102250, 112884, 122700, 141105, 153375, 188140, 204500, 225768, 235175, 245400, 282210, 306750, 376280, 409000, 470350, 564420, 613500, 705525, 940700, 1128840, 1175875, 1227000, 1411050, 1881400, 2351750, 2822100, 3527625, 4703500, 5644200, 7055250, 9407000, 14110500, 28221000]

約数ペア:

[(1, 28221000), (2, 14110500), (3, 9407000), (4, 7055250), (5, 5644200), (6, 4703500), (8, 3527625), (10, 2822100), (12, 2351750), (15, 1881400), (20, 1411050), (23, 1227000), (24, 1175875), (25, 1128840), (30, 940700), (40, 705525), (46, 613500), (50, 564420), (60, 470350), (69, 409000), (75, 376280), (92, 306750), (100, 282210), (115, 245400), (120, 235175), (125, 225768), (138, 204500), (150, 188140), (184, 153375), (200, 141105), (230, 122700), (250, 112884), (276, 102250), (300, 94070), (345, 81800), (375, 75256), (409, 69000), (460, 61350), (500, 56442), (552, 51125), (575, 49080), (600, 47035), (690, 40900), (750, 37628), (818, 34500), (920, 30675), (1000, 28221), (1150, 24540), (1227, 23000), (1380, 20450), (1500, 18814), (1636, 17250), (1725, 16360), (2045, 13800), (2300, 12270), (2454, 11500), (2760, 10225), (2875, 9816), (3000, 9407), (3272, 8625), (3450, 8180), (4090, 6900), (4600, 6135), (4908, 5750)]