285347860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{4729}}^1$

素因数の和:5176

約数の個数: 48

約数和(自身を含む): 686568960

約数和(自身を除く): 401221100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 431, 862, 1724, 2155, 3017, 4310, 4729, 6034, 8620, 9458, 12068, 15085, 18916, 23645, 30170, 33103, 47290, 60340, 66206, 94580, 132412, 165515, 331030, 662060, 2038199, 4076398, 8152796, 10190995, 14267393, 20381990, 28534786, 40763980, 57069572, 71336965, 142673930, 285347860]

約数ペア:

[(1, 285347860), (2, 142673930), (4, 71336965), (5, 57069572), (7, 40763980), (10, 28534786), (14, 20381990), (20, 14267393), (28, 10190995), (35, 8152796), (70, 4076398), (140, 2038199), (431, 662060), (862, 331030), (1724, 165515), (2155, 132412), (3017, 94580), (4310, 66206), (4729, 60340), (6034, 47290), (8620, 33103), (9458, 30170), (12068, 23645), (15085, 18916)]