4456340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 10819200

約数和(自身を除く): 6362860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 229, 278, 458, 556, 695, 916, 973, 1145, 1390, 1603, 1946, 2290, 2780, 3206, 3892, 4580, 4865, 6412, 8015, 9730, 16030, 19460, 31831, 32060, 63662, 127324, 159155, 222817, 318310, 445634, 636620, 891268, 1114085, 2228170, 4456340]

約数ペア:

[(1, 4456340), (2, 2228170), (4, 1114085), (5, 891268), (7, 636620), (10, 445634), (14, 318310), (20, 222817), (28, 159155), (35, 127324), (70, 63662), (139, 32060), (140, 31831), (229, 19460), (278, 16030), (458, 9730), (556, 8015), (695, 6412), (916, 4865), (973, 4580), (1145, 3892), (1390, 3206), (1603, 2780), (1946, 2290)]