253441875

素因数分解:

$3^1\times 5^4\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:190

約数の個数: 80

約数和(自身を含む): 449856000

約数和(自身を除く): 196414125

約数列:

[1, 3, 5, 15, 25, 29, 59, 75, 79, 87, 125, 145, 177, 237, 295, 375, 395, 435, 625, 725, 885, 1185, 1475, 1711, 1875, 1975, 2175, 2291, 3625, 4425, 4661, 5133, 5925, 6873, 7375, 8555, 9875, 10875, 11455, 13983, 18125, 22125, 23305, 25665, 29625, 34365, 36875, 42775, 49375, 54375, 57275, 69915, 110625, 116525, 128325, 135169, 148125, 171825, 213875, 286375, 349575, 405507, 582625, 641625, 675845, 859125, 1069375, 1431875, 1747875, 2027535, 2913125, 3208125, 3379225, 4295625, 8739375, 10137675, 16896125, 50688375, 84480625, 253441875]

約数ペア:

[(1, 253441875), (3, 84480625), (5, 50688375), (15, 16896125), (25, 10137675), (29, 8739375), (59, 4295625), (75, 3379225), (79, 3208125), (87, 2913125), (125, 2027535), (145, 1747875), (177, 1431875), (237, 1069375), (295, 859125), (375, 675845), (395, 641625), (435, 582625), (625, 405507), (725, 349575), (885, 286375), (1185, 213875), (1475, 171825), (1711, 148125), (1875, 135169), (1975, 128325), (2175, 116525), (2291, 110625), (3625, 69915), (4425, 57275), (4661, 54375), (5133, 49375), (5925, 42775), (6873, 36875), (7375, 34365), (8555, 29625), (9875, 25665), (10875, 23305), (11455, 22125), (13983, 18125)]