71391250

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:269

約数の個数: 80

約数和(自身を含む): 157449600

約数和(自身を除く): 86058350

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 41, 50, 70, 82, 125, 175, 199, 205, 250, 287, 350, 398, 410, 574, 625, 875, 995, 1025, 1250, 1393, 1435, 1750, 1990, 2050, 2786, 2870, 4375, 4975, 5125, 6965, 7175, 8159, 8750, 9950, 10250, 13930, 14350, 16318, 24875, 25625, 34825, 35875, 40795, 49750, 51250, 57113, 69650, 71750, 81590, 114226, 124375, 174125, 179375, 203975, 248750, 285565, 348250, 358750, 407950, 571130, 870625, 1019875, 1427825, 1741250, 2039750, 2855650, 5099375, 7139125, 10198750, 14278250, 35695625, 71391250]

約数ペア:

[(1, 71391250), (2, 35695625), (5, 14278250), (7, 10198750), (10, 7139125), (14, 5099375), (25, 2855650), (35, 2039750), (41, 1741250), (50, 1427825), (70, 1019875), (82, 870625), (125, 571130), (175, 407950), (199, 358750), (205, 348250), (250, 285565), (287, 248750), (350, 203975), (398, 179375), (410, 174125), (574, 124375), (625, 114226), (875, 81590), (995, 71750), (1025, 69650), (1250, 57113), (1393, 51250), (1435, 49750), (1750, 40795), (1990, 35875), (2050, 34825), (2786, 25625), (2870, 24875), (4375, 16318), (4975, 14350), (5125, 13930), (6965, 10250), (7175, 9950), (8159, 8750)]