3996460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{809}}^1$

素因数の和:850

約数の個数: 48

約数和(自身を含む): 9525600

約数和(自身を除く): 5529140

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 809, 988, 1235, 1618, 2470, 3236, 4045, 4940, 8090, 10517, 15371, 16180, 21034, 30742, 42068, 52585, 61484, 76855, 105170, 153710, 199823, 210340, 307420, 399646, 799292, 999115, 1998230, 3996460]

約数ペア:

[(1, 3996460), (2, 1998230), (4, 999115), (5, 799292), (10, 399646), (13, 307420), (19, 210340), (20, 199823), (26, 153710), (38, 105170), (52, 76855), (65, 61484), (76, 52585), (95, 42068), (130, 30742), (190, 21034), (247, 16180), (260, 15371), (380, 10517), (494, 8090), (809, 4940), (988, 4045), (1235, 3236), (1618, 2470)]