30978850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1451}}^1$

素因数の和:1531

約数の個数: 48

約数和(自身を含む): 66977856

約数和(自身を除く): 35999006

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 61, 70, 122, 175, 305, 350, 427, 610, 854, 1451, 1525, 2135, 2902, 3050, 4270, 7255, 10157, 10675, 14510, 20314, 21350, 36275, 50785, 72550, 88511, 101570, 177022, 253925, 442555, 507850, 619577, 885110, 1239154, 2212775, 3097885, 4425550, 6195770, 15489425, 30978850]

約数ペア:

[(1, 30978850), (2, 15489425), (5, 6195770), (7, 4425550), (10, 3097885), (14, 2212775), (25, 1239154), (35, 885110), (50, 619577), (61, 507850), (70, 442555), (122, 253925), (175, 177022), (305, 101570), (350, 88511), (427, 72550), (610, 50785), (854, 36275), (1451, 21350), (1525, 20314), (2135, 14510), (2902, 10675), (3050, 10157), (4270, 7255)]