209748500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{61}}^1$

素因数の和:139

約数の個数: 144

約数和(自身を含む): 524164368

約数和(自身を除く): 314415868

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 25, 26, 46, 50, 52, 61, 65, 92, 100, 115, 122, 125, 130, 230, 244, 250, 260, 299, 305, 325, 460, 500, 529, 575, 598, 610, 650, 793, 1058, 1150, 1196, 1220, 1300, 1403, 1495, 1525, 1586, 1625, 2116, 2300, 2645, 2806, 2875, 2990, 3050, 3172, 3250, 3965, 5290, 5612, 5750, 5980, 6100, 6500, 6877, 7015, 7475, 7625, 7930, 10580, 11500, 13225, 13754, 14030, 14950, 15250, 15860, 18239, 19825, 26450, 27508, 28060, 29900, 30500, 32269, 34385, 35075, 36478, 37375, 39650, 52900, 64538, 66125, 68770, 70150, 72956, 74750, 79300, 91195, 99125, 129076, 132250, 137540, 140300, 149500, 161345, 171925, 175375, 182390, 198250, 264500, 322690, 343850, 350750, 364780, 396500, 419497, 455975, 645380, 687700, 701500, 806725, 838994, 859625, 911950, 1613450, 1677988, 1719250, 1823900, 2097485, 2279875, 3226900, 3438500, 4033625, 4194970, 4559750, 8067250, 8389940, 9119500, 10487425, 16134500, 20974850, 41949700, 52437125, 104874250, 209748500]

約数ペア:

[(1, 209748500), (2, 104874250), (4, 52437125), (5, 41949700), (10, 20974850), (13, 16134500), (20, 10487425), (23, 9119500), (25, 8389940), (26, 8067250), (46, 4559750), (50, 4194970), (52, 4033625), (61, 3438500), (65, 3226900), (92, 2279875), (100, 2097485), (115, 1823900), (122, 1719250), (125, 1677988), (130, 1613450), (230, 911950), (244, 859625), (250, 838994), (260, 806725), (299, 701500), (305, 687700), (325, 645380), (460, 455975), (500, 419497), (529, 396500), (575, 364780), (598, 350750), (610, 343850), (650, 322690), (793, 264500), (1058, 198250), (1150, 182390), (1196, 175375), (1220, 171925), (1300, 161345), (1403, 149500), (1495, 140300), (1525, 137540), (1586, 132250), (1625, 129076), (2116, 99125), (2300, 91195), (2645, 79300), (2806, 74750), (2875, 72956), (2990, 70150), (3050, 68770), (3172, 66125), (3250, 64538), (3965, 52900), (5290, 39650), (5612, 37375), (5750, 36478), (5980, 35075), (6100, 34385), (6500, 32269), (6877, 30500), (7015, 29900), (7475, 28060), (7625, 27508), (7930, 26450), (10580, 19825), (11500, 18239), (13225, 15860), (13754, 15250), (14030, 14950)]