28042180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1231}}^1$

素因数の和:1324

約数の個数: 48

約数和(自身を含む): 63334656

約数和(自身を除く): 35292476

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 85, 134, 170, 268, 335, 340, 670, 1139, 1231, 1340, 2278, 2462, 4556, 4924, 5695, 6155, 11390, 12310, 20927, 22780, 24620, 41854, 82477, 83708, 104635, 164954, 209270, 329908, 412385, 418540, 824770, 1402109, 1649540, 2804218, 5608436, 7010545, 14021090, 28042180]

約数ペア:

[(1, 28042180), (2, 14021090), (4, 7010545), (5, 5608436), (10, 2804218), (17, 1649540), (20, 1402109), (34, 824770), (67, 418540), (68, 412385), (85, 329908), (134, 209270), (170, 164954), (268, 104635), (335, 83708), (340, 82477), (670, 41854), (1139, 24620), (1231, 22780), (1340, 20927), (2278, 12310), (2462, 11390), (4556, 6155), (4924, 5695)]