199881570

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{4783}}^1$

素因数の和:4999

約数の個数: 64

約数和(自身を含む): 551116800

約数和(自身を除く): 351235230

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 199, 210, 398, 597, 995, 1194, 1393, 1990, 2786, 2985, 4179, 4783, 5970, 6965, 8358, 9566, 13930, 14349, 20895, 23915, 28698, 33481, 41790, 47830, 66962, 71745, 100443, 143490, 167405, 200886, 334810, 502215, 951817, 1004430, 1903634, 2855451, 4759085, 5710902, 6662719, 9518170, 13325438, 14277255, 19988157, 28554510, 33313595, 39976314, 66627190, 99940785, 199881570]

約数ペア:

[(1, 199881570), (2, 99940785), (3, 66627190), (5, 39976314), (6, 33313595), (7, 28554510), (10, 19988157), (14, 14277255), (15, 13325438), (21, 9518170), (30, 6662719), (35, 5710902), (42, 4759085), (70, 2855451), (105, 1903634), (199, 1004430), (210, 951817), (398, 502215), (597, 334810), (995, 200886), (1194, 167405), (1393, 143490), (1990, 100443), (2786, 71745), (2985, 66962), (4179, 47830), (4783, 41790), (5970, 33481), (6965, 28698), (8358, 23915), (9566, 20895), (13930, 14349)]