7701990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1847}}^1$

素因数の和:1996

約数の個数: 32

約数和(自身を含む): 18627840

約数和(自身を除く): 10925850

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 139, 278, 417, 695, 834, 1390, 1847, 2085, 3694, 4170, 5541, 9235, 11082, 18470, 27705, 55410, 256733, 513466, 770199, 1283665, 1540398, 2567330, 3850995, 7701990]

約数ペア:

[(1, 7701990), (2, 3850995), (3, 2567330), (5, 1540398), (6, 1283665), (10, 770199), (15, 513466), (30, 256733), (139, 55410), (278, 27705), (417, 18470), (695, 11082), (834, 9235), (1390, 5541), (1847, 4170), (2085, 3694)]