220667140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{34159}}^1$

素因数の和:34204

約数の個数: 48

約数和(自身を含む): 516499200

約数和(自身を除く): 295832060

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 34159, 68318, 136636, 170795, 341590, 580703, 649021, 683180, 1161406, 1298042, 2322812, 2596084, 2903515, 3245105, 5807030, 6490210, 11033357, 11614060, 12980420, 22066714, 44133428, 55166785, 110333570, 220667140]

約数ペア:

[(1, 220667140), (2, 110333570), (4, 55166785), (5, 44133428), (10, 22066714), (17, 12980420), (19, 11614060), (20, 11033357), (34, 6490210), (38, 5807030), (68, 3245105), (76, 2903515), (85, 2596084), (95, 2322812), (170, 1298042), (190, 1161406), (323, 683180), (340, 649021), (380, 580703), (646, 341590), (1292, 170795), (1615, 136636), (3230, 68318), (6460, 34159)]