4274980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 9480240

約数和(自身を除く): 5205260

約数列:

[1, 2, 4, 5, 10, 20, 37, 53, 74, 106, 109, 148, 185, 212, 218, 265, 370, 436, 530, 545, 740, 1060, 1090, 1961, 2180, 3922, 4033, 5777, 7844, 8066, 9805, 11554, 16132, 19610, 20165, 23108, 28885, 39220, 40330, 57770, 80660, 115540, 213749, 427498, 854996, 1068745, 2137490, 4274980]

約数ペア:

[(1, 4274980), (2, 2137490), (4, 1068745), (5, 854996), (10, 427498), (20, 213749), (37, 115540), (53, 80660), (74, 57770), (106, 40330), (109, 39220), (148, 28885), (185, 23108), (212, 20165), (218, 19610), (265, 16132), (370, 11554), (436, 9805), (530, 8066), (545, 7844), (740, 5777), (1060, 4033), (1090, 3922), (1961, 2180)]