2197050625

素因数分解:

$5^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1$

素因数の和:752

約数の個数: 80

約数和(自身を含む): 3476487168

約数和(自身を除く): 1279436543

約数列:

[1, 5, 7, 11, 25, 35, 55, 71, 77, 125, 175, 275, 355, 385, 497, 625, 643, 781, 875, 1375, 1775, 1925, 2485, 3215, 3905, 4375, 4501, 5467, 6875, 7073, 8875, 9625, 12425, 16075, 19525, 22505, 27335, 35365, 44375, 45653, 48125, 49511, 62125, 80375, 97625, 112525, 136675, 176825, 228265, 247555, 310625, 319571, 401875, 488125, 502183, 562625, 683375, 884125, 1141325, 1237775, 1597855, 2510915, 2813125, 3416875, 3515281, 4420625, 5706625, 6188875, 7989275, 12554575, 17576405, 28533125, 30944375, 39946375, 62772875, 87882025, 199731875, 313864375, 439410125, 2197050625]

約数ペア:

[(1, 2197050625), (5, 439410125), (7, 313864375), (11, 199731875), (25, 87882025), (35, 62772875), (55, 39946375), (71, 30944375), (77, 28533125), (125, 17576405), (175, 12554575), (275, 7989275), (355, 6188875), (385, 5706625), (497, 4420625), (625, 3515281), (643, 3416875), (781, 2813125), (875, 2510915), (1375, 1597855), (1775, 1237775), (1925, 1141325), (2485, 884125), (3215, 683375), (3905, 562625), (4375, 502183), (4501, 488125), (5467, 401875), (6875, 319571), (7073, 310625), (8875, 247555), (9625, 228265), (12425, 176825), (16075, 136675), (19525, 112525), (22505, 97625), (27335, 80375), (35365, 62125), (44375, 49511), (45653, 48125)]