200494490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{389}}^1$

素因数の和:639

約数の個数: 64

約数和(自身を含む): 426816000

約数和(自身を除く): 226321510

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 199, 259, 370, 389, 398, 518, 778, 995, 1295, 1393, 1945, 1990, 2590, 2723, 2786, 3890, 5446, 6965, 7363, 13615, 13930, 14393, 14726, 27230, 28786, 36815, 51541, 71965, 73630, 77411, 100751, 103082, 143930, 154822, 201502, 257705, 387055, 503755, 515410, 541877, 774110, 1007510, 1083754, 2709385, 2864207, 5418770, 5728414, 14321035, 20049449, 28642070, 40098898, 100247245, 200494490]

約数ペア:

[(1, 200494490), (2, 100247245), (5, 40098898), (7, 28642070), (10, 20049449), (14, 14321035), (35, 5728414), (37, 5418770), (70, 2864207), (74, 2709385), (185, 1083754), (199, 1007510), (259, 774110), (370, 541877), (389, 515410), (398, 503755), (518, 387055), (778, 257705), (995, 201502), (1295, 154822), (1393, 143930), (1945, 103082), (1990, 100751), (2590, 77411), (2723, 73630), (2786, 71965), (3890, 51541), (5446, 36815), (6965, 28786), (7363, 27230), (13615, 14726), (13930, 14393)]