355488980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{643}}^1$

素因数の和:1029

約数の個数: 96

約数和(自身を含む): 934778880

約数和(自身を除く): 579289900

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 359, 385, 643, 718, 770, 1286, 1436, 1540, 1795, 2513, 2572, 3215, 3590, 3949, 4501, 5026, 6430, 7073, 7180, 7898, 9002, 10052, 12565, 12860, 14146, 15796, 18004, 19745, 22505, 25130, 27643, 28292, 35365, 39490, 45010, 49511, 50260, 55286, 70730, 78980, 90020, 99022, 110572, 138215, 141460, 198044, 230837, 247555, 276430, 461674, 495110, 552860, 923348, 990220, 1154185, 1615859, 2308370, 2539207, 3231718, 4616740, 5078414, 6463436, 8079295, 10156828, 12696035, 16158590, 17774449, 25392070, 32317180, 35548898, 50784140, 71097796, 88872245, 177744490, 355488980]

約数ペア:

[(1, 355488980), (2, 177744490), (4, 88872245), (5, 71097796), (7, 50784140), (10, 35548898), (11, 32317180), (14, 25392070), (20, 17774449), (22, 16158590), (28, 12696035), (35, 10156828), (44, 8079295), (55, 6463436), (70, 5078414), (77, 4616740), (110, 3231718), (140, 2539207), (154, 2308370), (220, 1615859), (308, 1154185), (359, 990220), (385, 923348), (643, 552860), (718, 495110), (770, 461674), (1286, 276430), (1436, 247555), (1540, 230837), (1795, 198044), (2513, 141460), (2572, 138215), (3215, 110572), (3590, 99022), (3949, 90020), (4501, 78980), (5026, 70730), (6430, 55286), (7073, 50260), (7180, 49511), (7898, 45010), (9002, 39490), (10052, 35365), (12565, 28292), (12860, 27643), (14146, 25130), (15796, 22505), (18004, 19745)]