2444852020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{7457}}^1$

素因数の和:7589

約数の個数: 72

約数和(自身を含む): 5617574424

約数和(自身を除く): 3172722404

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 169, 194, 260, 338, 388, 485, 676, 845, 970, 1261, 1690, 1940, 2522, 3380, 5044, 6305, 7457, 12610, 14914, 16393, 25220, 29828, 32786, 37285, 65572, 74570, 81965, 96941, 149140, 163930, 193882, 327860, 387764, 484705, 723329, 969410, 1260233, 1446658, 1938820, 2520466, 2893316, 3616645, 5040932, 6301165, 7233290, 9403277, 12602330, 14466580, 18806554, 25204660, 37613108, 47016385, 94032770, 122242601, 188065540, 244485202, 488970404, 611213005, 1222426010, 2444852020]

約数ペア:

[(1, 2444852020), (2, 1222426010), (4, 611213005), (5, 488970404), (10, 244485202), (13, 188065540), (20, 122242601), (26, 94032770), (52, 47016385), (65, 37613108), (97, 25204660), (130, 18806554), (169, 14466580), (194, 12602330), (260, 9403277), (338, 7233290), (388, 6301165), (485, 5040932), (676, 3616645), (845, 2893316), (970, 2520466), (1261, 1938820), (1690, 1446658), (1940, 1260233), (2522, 969410), (3380, 723329), (5044, 484705), (6305, 387764), (7457, 327860), (12610, 193882), (14914, 163930), (16393, 149140), (25220, 96941), (29828, 81965), (32786, 74570), (37285, 65572)]