978250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:80

約数の個数: 64

約数和(自身を含む): 2306304

約数和(自身を除く): 1328054

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 43, 50, 65, 70, 86, 91, 125, 130, 175, 182, 215, 250, 301, 325, 350, 430, 455, 559, 602, 650, 875, 910, 1075, 1118, 1505, 1625, 1750, 2150, 2275, 2795, 3010, 3250, 3913, 4550, 5375, 5590, 7525, 7826, 10750, 11375, 13975, 15050, 19565, 22750, 27950, 37625, 39130, 69875, 75250, 97825, 139750, 195650, 489125, 978250]

約数ペア:

[(1, 978250), (2, 489125), (5, 195650), (7, 139750), (10, 97825), (13, 75250), (14, 69875), (25, 39130), (26, 37625), (35, 27950), (43, 22750), (50, 19565), (65, 15050), (70, 13975), (86, 11375), (91, 10750), (125, 7826), (130, 7525), (175, 5590), (182, 5375), (215, 4550), (250, 3913), (301, 3250), (325, 3010), (350, 2795), (430, 2275), (455, 2150), (559, 1750), (602, 1625), (650, 1505), (875, 1118), (910, 1075)]