2578450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:211

約数の個数: 48

約数和(自身を含む): 5624640

約数和(自身を除く): 3046190

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 53, 70, 106, 139, 175, 265, 278, 350, 371, 530, 695, 742, 973, 1325, 1390, 1855, 1946, 2650, 3475, 3710, 4865, 6950, 7367, 9275, 9730, 14734, 18550, 24325, 36835, 48650, 51569, 73670, 103138, 184175, 257845, 368350, 515690, 1289225, 2578450]

約数ペア:

[(1, 2578450), (2, 1289225), (5, 515690), (7, 368350), (10, 257845), (14, 184175), (25, 103138), (35, 73670), (50, 51569), (53, 48650), (70, 36835), (106, 24325), (139, 18550), (175, 14734), (265, 9730), (278, 9275), (350, 7367), (371, 6950), (530, 4865), (695, 3710), (742, 3475), (973, 2650), (1325, 1946), (1390, 1855)]