289590

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{197}}^1$

素因数の和:221

約数の個数: 48

約数和(自身を含む): 812592

約数和(自身を除く): 523002

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 197, 210, 245, 294, 394, 490, 591, 735, 985, 1182, 1379, 1470, 1970, 2758, 2955, 4137, 5910, 6895, 8274, 9653, 13790, 19306, 20685, 28959, 41370, 48265, 57918, 96530, 144795, 289590]

約数ペア:

[(1, 289590), (2, 144795), (3, 96530), (5, 57918), (6, 48265), (7, 41370), (10, 28959), (14, 20685), (15, 19306), (21, 13790), (30, 9653), (35, 8274), (42, 6895), (49, 5910), (70, 4137), (98, 2955), (105, 2758), (147, 1970), (197, 1470), (210, 1379), (245, 1182), (294, 985), (394, 735), (490, 591)]