858009620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{2617}}^1$

素因数の和:2749

約数の個数: 72

約数和(自身を含む): 1971950904

約数和(自身を除く): 1113941284

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, 2617, 3380, 5044, 5234, 6305, 10468, 12610, 13085, 16393, 25220, 26170, 32786, 34021, 52340, 65572, 68042, 81965, 136084, 163930, 170105, 253849, 327860, 340210, 442273, 507698, 680420, 884546, 1015396, 1269245, 1769092, 2211365, 2538490, 3300037, 4422730, 5076980, 6600074, 8845460, 13200148, 16500185, 33000370, 42900481, 66000740, 85800962, 171601924, 214502405, 429004810, 858009620]

約数ペア:

[(1, 858009620), (2, 429004810), (4, 214502405), (5, 171601924), (10, 85800962), (13, 66000740), (20, 42900481), (26, 33000370), (52, 16500185), (65, 13200148), (97, 8845460), (130, 6600074), (169, 5076980), (194, 4422730), (260, 3300037), (338, 2538490), (388, 2211365), (485, 1769092), (676, 1269245), (845, 1015396), (970, 884546), (1261, 680420), (1690, 507698), (1940, 442273), (2522, 340210), (2617, 327860), (3380, 253849), (5044, 170105), (5234, 163930), (6305, 136084), (10468, 81965), (12610, 68042), (13085, 65572), (16393, 52340), (25220, 34021), (26170, 32786)]