841920625

素因数分解:

$5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:284

約数の個数: 80

約数和(自身を含む): 1316278656

約数和(自身を除く): 474358031

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 113, 125, 131, 175, 325, 455, 565, 625, 655, 791, 875, 917, 1469, 1625, 1703, 2275, 2825, 3275, 3955, 4375, 4585, 7345, 8125, 8515, 10283, 11375, 11921, 14125, 14803, 16375, 19775, 22925, 36725, 42575, 51415, 56875, 59605, 70625, 74015, 81875, 98875, 103621, 114625, 183625, 192439, 212875, 257075, 298025, 370075, 494375, 518105, 573125, 918125, 962195, 1064375, 1285375, 1347073, 1490125, 1850375, 2590525, 4810975, 6426875, 6735365, 7450625, 9251875, 12952625, 24054875, 33676825, 64763125, 120274375, 168384125, 841920625]

約数ペア:

[(1, 841920625), (5, 168384125), (7, 120274375), (13, 64763125), (25, 33676825), (35, 24054875), (65, 12952625), (91, 9251875), (113, 7450625), (125, 6735365), (131, 6426875), (175, 4810975), (325, 2590525), (455, 1850375), (565, 1490125), (625, 1347073), (655, 1285375), (791, 1064375), (875, 962195), (917, 918125), (1469, 573125), (1625, 518105), (1703, 494375), (2275, 370075), (2825, 298025), (3275, 257075), (3955, 212875), (4375, 192439), (4585, 183625), (7345, 114625), (8125, 103621), (8515, 98875), (10283, 81875), (11375, 74015), (11921, 70625), (14125, 59605), (14803, 56875), (16375, 51415), (19775, 42575), (22925, 36725)]