256865200425

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{985007}}^1$

素因数の和:985103

約数の個数: 72

約数和(自身を含む): 492228197760

約数和(自身を除く): 235362997335

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 61, 75, 95, 171, 183, 225, 285, 305, 475, 549, 855, 915, 1159, 1425, 1525, 2745, 3477, 4275, 4575, 5795, 10431, 13725, 17385, 28975, 52155, 86925, 260775, 985007, 2955021, 4925035, 8865063, 14775105, 18715133, 24625175, 44325315, 56145399, 60085427, 73875525, 93575665, 168436197, 180256281, 221626575, 280726995, 300427135, 467878325, 540768843, 842180985, 901281405, 1141623113, 1403634975, 1502135675, 2703844215, 3424869339, 4210904925, 4506407025, 5708115565, 10274608017, 13519221075, 17124346695, 28540577825, 51373040085, 85621733475, 256865200425]

約数ペア:

[(1, 256865200425), (3, 85621733475), (5, 51373040085), (9, 28540577825), (15, 17124346695), (19, 13519221075), (25, 10274608017), (45, 5708115565), (57, 4506407025), (61, 4210904925), (75, 3424869339), (95, 2703844215), (171, 1502135675), (183, 1403634975), (225, 1141623113), (285, 901281405), (305, 842180985), (475, 540768843), (549, 467878325), (855, 300427135), (915, 280726995), (1159, 221626575), (1425, 180256281), (1525, 168436197), (2745, 93575665), (3477, 73875525), (4275, 60085427), (4575, 56145399), (5795, 44325315), (10431, 24625175), (13725, 18715133), (17385, 14775105), (28975, 8865063), (52155, 4925035), (86925, 2955021), (260775, 985007)]