74272240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{18947}}^1$

素因数の和:18974

約数の個数: 60

約数和(自身を含む): 200886696

約数和(自身を除く): 126614456

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 18947, 37894, 75788, 94735, 132629, 151576, 189470, 265258, 303152, 378940, 530516, 663145, 757880, 928403, 1061032, 1326290, 1515760, 1856806, 2122064, 2652580, 3713612, 4642015, 5305160, 7427224, 9284030, 10610320, 14854448, 18568060, 37136120, 74272240]

約数ペア:

[(1, 74272240), (2, 37136120), (4, 18568060), (5, 14854448), (7, 10610320), (8, 9284030), (10, 7427224), (14, 5305160), (16, 4642015), (20, 3713612), (28, 2652580), (35, 2122064), (40, 1856806), (49, 1515760), (56, 1326290), (70, 1061032), (80, 928403), (98, 757880), (112, 663145), (140, 530516), (196, 378940), (245, 303152), (280, 265258), (392, 189470), (490, 151576), (560, 132629), (784, 94735), (980, 75788), (1960, 37894), (3920, 18947)]