489019875

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{971}}^1$

素因数の和:1085

約数の個数: 64

約数和(自身を含む): 873400320

約数和(自身を除く): 384380445

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 79, 85, 125, 237, 255, 375, 395, 425, 971, 1185, 1275, 1343, 1975, 2125, 2913, 4029, 4855, 5925, 6375, 6715, 9875, 14565, 16507, 20145, 24275, 29625, 33575, 49521, 72825, 76709, 82535, 100725, 121375, 167875, 230127, 247605, 364125, 383545, 412675, 503625, 1150635, 1238025, 1304053, 1917725, 2063375, 3912159, 5753175, 6190125, 6520265, 9588625, 19560795, 28765875, 32601325, 97803975, 163006625, 489019875]

約数ペア:

[(1, 489019875), (3, 163006625), (5, 97803975), (15, 32601325), (17, 28765875), (25, 19560795), (51, 9588625), (75, 6520265), (79, 6190125), (85, 5753175), (125, 3912159), (237, 2063375), (255, 1917725), (375, 1304053), (395, 1238025), (425, 1150635), (971, 503625), (1185, 412675), (1275, 383545), (1343, 364125), (1975, 247605), (2125, 230127), (2913, 167875), (4029, 121375), (4855, 100725), (5925, 82535), (6375, 76709), (6715, 72825), (9875, 49521), (14565, 33575), (16507, 29625), (20145, 24275)]