156930140

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{673}}^1$

素因数の和:902

約数の個数: 48

約数和(自身を含む): 336299040

約数和(自身を除く): 179368900

約数列:

[1, 2, 4, 5, 10, 20, 89, 131, 178, 262, 356, 445, 524, 655, 673, 890, 1310, 1346, 1780, 2620, 2692, 3365, 6730, 11659, 13460, 23318, 46636, 58295, 59897, 88163, 116590, 119794, 176326, 233180, 239588, 299485, 352652, 440815, 598970, 881630, 1197940, 1763260, 7846507, 15693014, 31386028, 39232535, 78465070, 156930140]

約数ペア:

[(1, 156930140), (2, 78465070), (4, 39232535), (5, 31386028), (10, 15693014), (20, 7846507), (89, 1763260), (131, 1197940), (178, 881630), (262, 598970), (356, 440815), (445, 352652), (524, 299485), (655, 239588), (673, 233180), (890, 176326), (1310, 119794), (1346, 116590), (1780, 88163), (2620, 59897), (2692, 58295), (3365, 46636), (6730, 23318), (11659, 13460)]