8417220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{409}}^1$

素因数の和:442

約数の個数: 96

約数和(自身を含む): 27552000

約数和(自身を除く): 19134780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 343, 409, 420, 490, 588, 686, 735, 818, 980, 1029, 1227, 1372, 1470, 1636, 1715, 2045, 2058, 2454, 2863, 2940, 3430, 4090, 4116, 4908, 5145, 5726, 6135, 6860, 8180, 8589, 10290, 11452, 12270, 14315, 17178, 20041, 20580, 24540, 28630, 34356, 40082, 42945, 57260, 60123, 80164, 85890, 100205, 120246, 140287, 171780, 200410, 240492, 280574, 300615, 400820, 420861, 561148, 601230, 701435, 841722, 1202460, 1402870, 1683444, 2104305, 2805740, 4208610, 8417220]

約数ペア:

[(1, 8417220), (2, 4208610), (3, 2805740), (4, 2104305), (5, 1683444), (6, 1402870), (7, 1202460), (10, 841722), (12, 701435), (14, 601230), (15, 561148), (20, 420861), (21, 400820), (28, 300615), (30, 280574), (35, 240492), (42, 200410), (49, 171780), (60, 140287), (70, 120246), (84, 100205), (98, 85890), (105, 80164), (140, 60123), (147, 57260), (196, 42945), (210, 40082), (245, 34356), (294, 28630), (343, 24540), (409, 20580), (420, 20041), (490, 17178), (588, 14315), (686, 12270), (735, 11452), (818, 10290), (980, 8589), (1029, 8180), (1227, 6860), (1372, 6135), (1470, 5726), (1636, 5145), (1715, 4908), (2045, 4116), (2058, 4090), (2454, 3430), (2863, 2940)]