2993980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 7096320

約数和(自身を除く): 4102340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 439, 620, 682, 878, 1364, 1705, 1756, 2195, 3410, 4390, 4829, 6820, 8780, 9658, 13609, 19316, 24145, 27218, 48290, 54436, 68045, 96580, 136090, 149699, 272180, 299398, 598796, 748495, 1496990, 2993980]

約数ペア:

[(1, 2993980), (2, 1496990), (4, 748495), (5, 598796), (10, 299398), (11, 272180), (20, 149699), (22, 136090), (31, 96580), (44, 68045), (55, 54436), (62, 48290), (110, 27218), (124, 24145), (155, 19316), (220, 13609), (310, 9658), (341, 8780), (439, 6820), (620, 4829), (682, 4390), (878, 3410), (1364, 2195), (1705, 1756)]