31472980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1$

素因数の和:325

約数の個数: 96

約数和(自身を含む): 83607552

約数和(自身を除く): 52134572

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 107, 110, 140, 154, 191, 214, 220, 308, 382, 385, 428, 535, 749, 764, 770, 955, 1070, 1177, 1337, 1498, 1540, 1910, 2101, 2140, 2354, 2674, 2996, 3745, 3820, 4202, 4708, 5348, 5885, 6685, 7490, 8239, 8404, 10505, 11770, 13370, 14707, 14980, 16478, 20437, 21010, 23540, 26740, 29414, 32956, 40874, 41195, 42020, 58828, 73535, 81748, 82390, 102185, 143059, 147070, 164780, 204370, 224807, 286118, 294140, 408740, 449614, 572236, 715295, 899228, 1124035, 1430590, 1573649, 2248070, 2861180, 3147298, 4496140, 6294596, 7868245, 15736490, 31472980]

約数ペア:

[(1, 31472980), (2, 15736490), (4, 7868245), (5, 6294596), (7, 4496140), (10, 3147298), (11, 2861180), (14, 2248070), (20, 1573649), (22, 1430590), (28, 1124035), (35, 899228), (44, 715295), (55, 572236), (70, 449614), (77, 408740), (107, 294140), (110, 286118), (140, 224807), (154, 204370), (191, 164780), (214, 147070), (220, 143059), (308, 102185), (382, 82390), (385, 81748), (428, 73535), (535, 58828), (749, 42020), (764, 41195), (770, 40874), (955, 32956), (1070, 29414), (1177, 26740), (1337, 23540), (1498, 21010), (1540, 20437), (1910, 16478), (2101, 14980), (2140, 14707), (2354, 13370), (2674, 11770), (2996, 10505), (3745, 8404), (3820, 8239), (4202, 7490), (4708, 6685), (5348, 5885)]