8422820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3539}}^1$

素因数の和:3572

約数の個数: 48

約数和(自身を含む): 21409920

約数和(自身を除く): 12987100

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 3539, 7078, 14156, 17695, 24773, 35390, 49546, 60163, 70780, 99092, 120326, 123865, 240652, 247730, 300815, 421141, 495460, 601630, 842282, 1203260, 1684564, 2105705, 4211410, 8422820]

約数ペア:

[(1, 8422820), (2, 4211410), (4, 2105705), (5, 1684564), (7, 1203260), (10, 842282), (14, 601630), (17, 495460), (20, 421141), (28, 300815), (34, 247730), (35, 240652), (68, 123865), (70, 120326), (85, 99092), (119, 70780), (140, 60163), (170, 49546), (238, 35390), (340, 24773), (476, 17695), (595, 14156), (1190, 7078), (2380, 3539)]