395290420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{122761}}^1$

素因数の和:122800

約数の個数: 48

約数和(自身を含む): 989952768

約数和(自身を除く): 594662348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 122761, 245522, 491044, 613805, 859327, 1227610, 1718654, 2455220, 2823503, 3437308, 4296635, 5647006, 8593270, 11294012, 14117515, 17186540, 19764521, 28235030, 39529042, 56470060, 79058084, 98822605, 197645210, 395290420]

約数ペア:

[(1, 395290420), (2, 197645210), (4, 98822605), (5, 79058084), (7, 56470060), (10, 39529042), (14, 28235030), (20, 19764521), (23, 17186540), (28, 14117515), (35, 11294012), (46, 8593270), (70, 5647006), (92, 4296635), (115, 3437308), (140, 2823503), (161, 2455220), (230, 1718654), (322, 1227610), (460, 859327), (644, 613805), (805, 491044), (1610, 245522), (3220, 122761)]