7788655840

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{993451}}^1$

素因数の和:993480

約数の個数: 72

約数和(自身を含む): 21404916792

約数和(自身を除く): 13616260952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 993451, 1986902, 3973804, 4967255, 6954157, 7947608, 9934510, 13908314, 15895216, 19869020, 27816628, 31790432, 34770785, 39738040, 48679099, 55633256, 69541570, 79476080, 97358198, 111266512, 139083140, 158952160, 194716396, 222533024, 243395495, 278166280, 389432792, 486790990, 556332560, 778865584, 973581980, 1112665120, 1557731168, 1947163960, 3894327920, 7788655840]

約数ペア:

[(1, 7788655840), (2, 3894327920), (4, 1947163960), (5, 1557731168), (7, 1112665120), (8, 973581980), (10, 778865584), (14, 556332560), (16, 486790990), (20, 389432792), (28, 278166280), (32, 243395495), (35, 222533024), (40, 194716396), (49, 158952160), (56, 139083140), (70, 111266512), (80, 97358198), (98, 79476080), (112, 69541570), (140, 55633256), (160, 48679099), (196, 39738040), (224, 34770785), (245, 31790432), (280, 27816628), (392, 19869020), (490, 15895216), (560, 13908314), (784, 9934510), (980, 7947608), (1120, 6954157), (1568, 4967255), (1960, 3973804), (3920, 1986902), (7840, 993451)]