520293460

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{4217}}^1$

素因数の和:4456

約数の個数: 48

約数和(自身を含む): 1133798400

約数和(自身を除く): 613504940

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 199, 310, 398, 620, 796, 995, 1990, 3980, 4217, 6169, 8434, 12338, 16868, 21085, 24676, 30845, 42170, 61690, 84340, 123380, 130727, 261454, 522908, 653635, 839183, 1307270, 1678366, 2614540, 3356732, 4195915, 8391830, 16783660, 26014673, 52029346, 104058692, 130073365, 260146730, 520293460]

約数ペア:

[(1, 520293460), (2, 260146730), (4, 130073365), (5, 104058692), (10, 52029346), (20, 26014673), (31, 16783660), (62, 8391830), (124, 4195915), (155, 3356732), (199, 2614540), (310, 1678366), (398, 1307270), (620, 839183), (796, 653635), (995, 522908), (1990, 261454), (3980, 130727), (4217, 123380), (6169, 84340), (8434, 61690), (12338, 42170), (16868, 30845), (21085, 24676)]