42148820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1049}}^1$

素因数の和:1113

約数の個数: 72

約数和(自身を含む): 105575400

約数和(自身を除く): 63426580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 245, 287, 410, 490, 574, 820, 980, 1049, 1148, 1435, 2009, 2098, 2870, 4018, 4196, 5245, 5740, 7343, 8036, 10045, 10490, 14686, 20090, 20980, 29372, 36715, 40180, 43009, 51401, 73430, 86018, 102802, 146860, 172036, 205604, 215045, 257005, 301063, 430090, 514010, 602126, 860180, 1028020, 1204252, 1505315, 2107441, 3010630, 4214882, 6021260, 8429764, 10537205, 21074410, 42148820]

約数ペア:

[(1, 42148820), (2, 21074410), (4, 10537205), (5, 8429764), (7, 6021260), (10, 4214882), (14, 3010630), (20, 2107441), (28, 1505315), (35, 1204252), (41, 1028020), (49, 860180), (70, 602126), (82, 514010), (98, 430090), (140, 301063), (164, 257005), (196, 215045), (205, 205604), (245, 172036), (287, 146860), (410, 102802), (490, 86018), (574, 73430), (820, 51401), (980, 43009), (1049, 40180), (1148, 36715), (1435, 29372), (2009, 20980), (2098, 20090), (2870, 14686), (4018, 10490), (4196, 10045), (5245, 8036), (5740, 7343)]