1371844180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{491}}^1\times {\mathrm{2851}}^1$

素因数の和:3365

約数の個数: 72

約数和(自身を含む): 3359222496

約数和(自身を除く): 1987378316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 491, 980, 982, 1964, 2455, 2851, 3437, 4910, 5702, 6874, 9820, 11404, 13748, 14255, 17185, 19957, 24059, 28510, 34370, 39914, 48118, 57020, 68740, 79828, 96236, 99785, 120295, 139699, 199570, 240590, 279398, 399140, 481180, 558796, 698495, 1396990, 1399841, 2793980, 2799682, 5599364, 6999205, 9798887, 13998410, 19597774, 27996820, 39195548, 48994435, 68592209, 97988870, 137184418, 195977740, 274368836, 342961045, 685922090, 1371844180]

約数ペア:

[(1, 1371844180), (2, 685922090), (4, 342961045), (5, 274368836), (7, 195977740), (10, 137184418), (14, 97988870), (20, 68592209), (28, 48994435), (35, 39195548), (49, 27996820), (70, 19597774), (98, 13998410), (140, 9798887), (196, 6999205), (245, 5599364), (490, 2799682), (491, 2793980), (980, 1399841), (982, 1396990), (1964, 698495), (2455, 558796), (2851, 481180), (3437, 399140), (4910, 279398), (5702, 240590), (6874, 199570), (9820, 139699), (11404, 120295), (13748, 99785), (14255, 96236), (17185, 79828), (19957, 68740), (24059, 57020), (28510, 48118), (34370, 39914)]