146531380

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1\times {\mathrm{431}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 313528320

約数和(自身を除く): 166996940

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 191, 356, 382, 431, 445, 764, 862, 890, 955, 1724, 1780, 1910, 2155, 3820, 4310, 8620, 16999, 33998, 38359, 67996, 76718, 82321, 84995, 153436, 164642, 169990, 191795, 329284, 339980, 383590, 411605, 767180, 823210, 1646420, 7326569, 14653138, 29306276, 36632845, 73265690, 146531380]

約数ペア:

[(1, 146531380), (2, 73265690), (4, 36632845), (5, 29306276), (10, 14653138), (20, 7326569), (89, 1646420), (178, 823210), (191, 767180), (356, 411605), (382, 383590), (431, 339980), (445, 329284), (764, 191795), (862, 169990), (890, 164642), (955, 153436), (1724, 84995), (1780, 82321), (1910, 76718), (2155, 67996), (3820, 38359), (4310, 33998), (8620, 16999)]