61717900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{463}}^1$

素因数の和:551

約数の個数: 72

約数和(自身を含む): 141768704

約数和(自身を除く): 80050804

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 43, 50, 62, 86, 100, 124, 155, 172, 215, 310, 430, 463, 620, 775, 860, 926, 1075, 1333, 1550, 1852, 2150, 2315, 2666, 3100, 4300, 4630, 5332, 6665, 9260, 11575, 13330, 14353, 19909, 23150, 26660, 28706, 33325, 39818, 46300, 57412, 66650, 71765, 79636, 99545, 133300, 143530, 199090, 287060, 358825, 398180, 497725, 617179, 717650, 995450, 1234358, 1435300, 1990900, 2468716, 3085895, 6171790, 12343580, 15429475, 30858950, 61717900]

約数ペア:

[(1, 61717900), (2, 30858950), (4, 15429475), (5, 12343580), (10, 6171790), (20, 3085895), (25, 2468716), (31, 1990900), (43, 1435300), (50, 1234358), (62, 995450), (86, 717650), (100, 617179), (124, 497725), (155, 398180), (172, 358825), (215, 287060), (310, 199090), (430, 143530), (463, 133300), (620, 99545), (775, 79636), (860, 71765), (926, 66650), (1075, 57412), (1333, 46300), (1550, 39818), (1852, 33325), (2150, 28706), (2315, 26660), (2666, 23150), (3100, 19909), (4300, 14353), (4630, 13330), (5332, 11575), (6665, 9260)]