521016020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{9011}}^1$

素因数の和:9093

約数の個数: 72

約数和(自身を含む): 1294483680

約数和(自身を除く): 773467660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 59, 70, 98, 118, 140, 196, 236, 245, 295, 413, 490, 590, 826, 980, 1180, 1652, 2065, 2891, 4130, 5782, 8260, 9011, 11564, 14455, 18022, 28910, 36044, 45055, 57820, 63077, 90110, 126154, 180220, 252308, 315385, 441539, 531649, 630770, 883078, 1063298, 1261540, 1766156, 2126596, 2207695, 2658245, 3721543, 4415390, 5316490, 7443086, 8830780, 10632980, 14886172, 18607715, 26050801, 37215430, 52101602, 74430860, 104203204, 130254005, 260508010, 521016020]

約数ペア:

[(1, 521016020), (2, 260508010), (4, 130254005), (5, 104203204), (7, 74430860), (10, 52101602), (14, 37215430), (20, 26050801), (28, 18607715), (35, 14886172), (49, 10632980), (59, 8830780), (70, 7443086), (98, 5316490), (118, 4415390), (140, 3721543), (196, 2658245), (236, 2207695), (245, 2126596), (295, 1766156), (413, 1261540), (490, 1063298), (590, 883078), (826, 630770), (980, 531649), (1180, 441539), (1652, 315385), (2065, 252308), (2891, 180220), (4130, 126154), (5782, 90110), (8260, 63077), (9011, 57820), (11564, 45055), (14455, 36044), (18022, 28910)]