396271820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{281}}^1\times {\mathrm{1439}}^1$

素因数の和:1743

約数の個数: 72

約数和(自身を含む): 972155520

約数和(自身を除く): 575883700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 281, 490, 562, 980, 1124, 1405, 1439, 1967, 2810, 2878, 3934, 5620, 5756, 7195, 7868, 9835, 10073, 13769, 14390, 19670, 20146, 27538, 28780, 39340, 40292, 50365, 55076, 68845, 70511, 100730, 137690, 141022, 201460, 275380, 282044, 352555, 404359, 705110, 808718, 1410220, 1617436, 2021795, 2830513, 4043590, 5661026, 8087180, 11322052, 14152565, 19813591, 28305130, 39627182, 56610260, 79254364, 99067955, 198135910, 396271820]

約数ペア:

[(1, 396271820), (2, 198135910), (4, 99067955), (5, 79254364), (7, 56610260), (10, 39627182), (14, 28305130), (20, 19813591), (28, 14152565), (35, 11322052), (49, 8087180), (70, 5661026), (98, 4043590), (140, 2830513), (196, 2021795), (245, 1617436), (281, 1410220), (490, 808718), (562, 705110), (980, 404359), (1124, 352555), (1405, 282044), (1439, 275380), (1967, 201460), (2810, 141022), (2878, 137690), (3934, 100730), (5620, 70511), (5756, 68845), (7195, 55076), (7868, 50365), (9835, 40292), (10073, 39340), (13769, 28780), (14390, 27538), (19670, 20146)]