28847000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1$

素因数の和:358

約数の個数: 128

約数和(自身を含む): 83341440

約数和(自身を除く): 54494440

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 91, 100, 104, 125, 130, 140, 175, 182, 200, 250, 260, 280, 317, 325, 350, 364, 455, 500, 520, 634, 650, 700, 728, 875, 910, 1000, 1268, 1300, 1400, 1585, 1625, 1750, 1820, 2219, 2275, 2536, 2600, 3170, 3250, 3500, 3640, 4121, 4438, 4550, 6340, 6500, 7000, 7925, 8242, 8876, 9100, 11095, 11375, 12680, 13000, 15850, 16484, 17752, 18200, 20605, 22190, 22750, 28847, 31700, 32968, 39625, 41210, 44380, 45500, 55475, 57694, 63400, 79250, 82420, 88760, 91000, 103025, 110950, 115388, 144235, 158500, 164840, 206050, 221900, 230776, 277375, 288470, 317000, 412100, 443800, 515125, 554750, 576940, 721175, 824200, 1030250, 1109500, 1153880, 1442350, 2060500, 2219000, 2884700, 3605875, 4121000, 5769400, 7211750, 14423500, 28847000]

約数ペア:

[(1, 28847000), (2, 14423500), (4, 7211750), (5, 5769400), (7, 4121000), (8, 3605875), (10, 2884700), (13, 2219000), (14, 2060500), (20, 1442350), (25, 1153880), (26, 1109500), (28, 1030250), (35, 824200), (40, 721175), (50, 576940), (52, 554750), (56, 515125), (65, 443800), (70, 412100), (91, 317000), (100, 288470), (104, 277375), (125, 230776), (130, 221900), (140, 206050), (175, 164840), (182, 158500), (200, 144235), (250, 115388), (260, 110950), (280, 103025), (317, 91000), (325, 88760), (350, 82420), (364, 79250), (455, 63400), (500, 57694), (520, 55475), (634, 45500), (650, 44380), (700, 41210), (728, 39625), (875, 32968), (910, 31700), (1000, 28847), (1268, 22750), (1300, 22190), (1400, 20605), (1585, 18200), (1625, 17752), (1750, 16484), (1820, 15850), (2219, 13000), (2275, 12680), (2536, 11375), (2600, 11095), (3170, 9100), (3250, 8876), (3500, 8242), (3640, 7925), (4121, 7000), (4438, 6500), (4550, 6340)]