4427420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 9907968

約数和(自身を除く): 5480548

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 193, 310, 370, 386, 620, 740, 772, 965, 1147, 1930, 2294, 3860, 4588, 5735, 5983, 7141, 11470, 11966, 14282, 22940, 23932, 28564, 29915, 35705, 59830, 71410, 119660, 142820, 221371, 442742, 885484, 1106855, 2213710, 4427420]

約数ペア:

[(1, 4427420), (2, 2213710), (4, 1106855), (5, 885484), (10, 442742), (20, 221371), (31, 142820), (37, 119660), (62, 71410), (74, 59830), (124, 35705), (148, 29915), (155, 28564), (185, 23932), (193, 22940), (310, 14282), (370, 11966), (386, 11470), (620, 7141), (740, 5983), (772, 5735), (965, 4588), (1147, 3860), (1930, 2294)]