204038420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{1367}}^1$

素因数の和:1832

約数の個数: 48

約数和(自身を含む): 455051520

約数和(自身を除く): 251013100

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 439, 878, 1367, 1756, 2195, 2734, 4390, 5468, 6835, 7463, 8780, 13670, 14926, 23239, 27340, 29852, 37315, 46478, 74630, 92956, 116195, 149260, 232390, 464780, 600113, 1200226, 2400452, 3000565, 6001130, 10201921, 12002260, 20403842, 40807684, 51009605, 102019210, 204038420]

約数ペア:

[(1, 204038420), (2, 102019210), (4, 51009605), (5, 40807684), (10, 20403842), (17, 12002260), (20, 10201921), (34, 6001130), (68, 3000565), (85, 2400452), (170, 1200226), (340, 600113), (439, 464780), (878, 232390), (1367, 149260), (1756, 116195), (2195, 92956), (2734, 74630), (4390, 46478), (5468, 37315), (6835, 29852), (7463, 27340), (8780, 23239), (13670, 14926)]