208503820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{151}}^1\times {\mathrm{1409}}^1$

素因数の和:1583

約数の個数: 72

約数和(自身を含む): 513082080

約数和(自身を除く): 304578260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 151, 196, 245, 302, 490, 604, 755, 980, 1057, 1409, 1510, 2114, 2818, 3020, 4228, 5285, 5636, 7045, 7399, 9863, 10570, 14090, 14798, 19726, 21140, 28180, 29596, 36995, 39452, 49315, 69041, 73990, 98630, 138082, 147980, 197260, 212759, 276164, 345205, 425518, 690410, 851036, 1063795, 1380820, 1489313, 2127590, 2978626, 4255180, 5957252, 7446565, 10425191, 14893130, 20850382, 29786260, 41700764, 52125955, 104251910, 208503820]

約数ペア:

[(1, 208503820), (2, 104251910), (4, 52125955), (5, 41700764), (7, 29786260), (10, 20850382), (14, 14893130), (20, 10425191), (28, 7446565), (35, 5957252), (49, 4255180), (70, 2978626), (98, 2127590), (140, 1489313), (151, 1380820), (196, 1063795), (245, 851036), (302, 690410), (490, 425518), (604, 345205), (755, 276164), (980, 212759), (1057, 197260), (1409, 147980), (1510, 138082), (2114, 98630), (2818, 73990), (3020, 69041), (4228, 49315), (5285, 39452), (5636, 36995), (7045, 29596), (7399, 28180), (9863, 21140), (10570, 19726), (14090, 14798)]