1489724140

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{7789}}^1$

素因数の和:8002

約数の個数: 48

約数和(自身を含む): 3195894240

約数和(自身を除く): 1706170100

約数列:

[1, 2, 4, 5, 10, 20, 73, 131, 146, 262, 292, 365, 524, 655, 730, 1310, 1460, 2620, 7789, 9563, 15578, 19126, 31156, 38252, 38945, 47815, 77890, 95630, 155780, 191260, 568597, 1020359, 1137194, 2040718, 2274388, 2842985, 4081436, 5101795, 5685970, 10203590, 11371940, 20407180, 74486207, 148972414, 297944828, 372431035, 744862070, 1489724140]

約数ペア:

[(1, 1489724140), (2, 744862070), (4, 372431035), (5, 297944828), (10, 148972414), (20, 74486207), (73, 20407180), (131, 11371940), (146, 10203590), (262, 5685970), (292, 5101795), (365, 4081436), (524, 2842985), (655, 2274388), (730, 2040718), (1310, 1137194), (1460, 1020359), (2620, 568597), (7789, 191260), (9563, 155780), (15578, 95630), (19126, 77890), (31156, 47815), (38252, 38945)]