2009419930

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{359}}^1\times {\mathrm{11423}}^1$

素因数の和:11803

約数の個数: 48

約数和(自身を含む): 4219568640

約数和(自身を除く): 2210148710

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 359, 490, 718, 1795, 2513, 3590, 5026, 11423, 12565, 17591, 22846, 25130, 35182, 57115, 79961, 87955, 114230, 159922, 175910, 399805, 559727, 799610, 1119454, 2798635, 4100857, 5597270, 8201714, 20504285, 28705999, 41008570, 57411998, 143529995, 200941993, 287059990, 401883986, 1004709965, 2009419930]

約数ペア:

[(1, 2009419930), (2, 1004709965), (5, 401883986), (7, 287059990), (10, 200941993), (14, 143529995), (35, 57411998), (49, 41008570), (70, 28705999), (98, 20504285), (245, 8201714), (359, 5597270), (490, 4100857), (718, 2798635), (1795, 1119454), (2513, 799610), (3590, 559727), (5026, 399805), (11423, 175910), (12565, 159922), (17591, 114230), (22846, 87955), (25130, 79961), (35182, 57115)]