249320000

素因数分解:

$2^6\times 5^4\times {\mathrm{23}}^1\times {\mathrm{271}}^1$

素因数の和:326

約数の個数: 140

約数和(自身を含む): 647492736

約数和(自身を除く): 398172736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 64, 80, 92, 100, 115, 125, 160, 184, 200, 230, 250, 271, 320, 368, 400, 460, 500, 542, 575, 625, 736, 800, 920, 1000, 1084, 1150, 1250, 1355, 1472, 1600, 1840, 2000, 2168, 2300, 2500, 2710, 2875, 3680, 4000, 4336, 4600, 5000, 5420, 5750, 6233, 6775, 7360, 8000, 8672, 9200, 10000, 10840, 11500, 12466, 13550, 14375, 17344, 18400, 20000, 21680, 23000, 24932, 27100, 28750, 31165, 33875, 36800, 40000, 43360, 46000, 49864, 54200, 57500, 62330, 67750, 86720, 92000, 99728, 108400, 115000, 124660, 135500, 155825, 169375, 184000, 199456, 216800, 230000, 249320, 271000, 311650, 338750, 398912, 433600, 460000, 498640, 542000, 623300, 677500, 779125, 920000, 997280, 1084000, 1246600, 1355000, 1558250, 1994560, 2168000, 2493200, 2710000, 3116500, 3895625, 4986400, 5420000, 6233000, 7791250, 9972800, 10840000, 12466000, 15582500, 24932000, 31165000, 49864000, 62330000, 124660000, 249320000]

約数ペア:

[(1, 249320000), (2, 124660000), (4, 62330000), (5, 49864000), (8, 31165000), (10, 24932000), (16, 15582500), (20, 12466000), (23, 10840000), (25, 9972800), (32, 7791250), (40, 6233000), (46, 5420000), (50, 4986400), (64, 3895625), (80, 3116500), (92, 2710000), (100, 2493200), (115, 2168000), (125, 1994560), (160, 1558250), (184, 1355000), (200, 1246600), (230, 1084000), (250, 997280), (271, 920000), (320, 779125), (368, 677500), (400, 623300), (460, 542000), (500, 498640), (542, 460000), (575, 433600), (625, 398912), (736, 338750), (800, 311650), (920, 271000), (1000, 249320), (1084, 230000), (1150, 216800), (1250, 199456), (1355, 184000), (1472, 169375), (1600, 155825), (1840, 135500), (2000, 124660), (2168, 115000), (2300, 108400), (2500, 99728), (2710, 92000), (2875, 86720), (3680, 67750), (4000, 62330), (4336, 57500), (4600, 54200), (5000, 49864), (5420, 46000), (5750, 43360), (6233, 40000), (6775, 36800), (7360, 33875), (8000, 31165), (8672, 28750), (9200, 27100), (10000, 24932), (10840, 23000), (11500, 21680), (12466, 20000), (13550, 18400), (14375, 17344)]