28934740

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{641}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 63527184

約数和(自身を除く): 34592444

約数列:

[1, 2, 4, 5, 10, 20, 37, 61, 74, 122, 148, 185, 244, 305, 370, 610, 641, 740, 1220, 1282, 2257, 2564, 3205, 4514, 6410, 9028, 11285, 12820, 22570, 23717, 39101, 45140, 47434, 78202, 94868, 118585, 156404, 195505, 237170, 391010, 474340, 782020, 1446737, 2893474, 5786948, 7233685, 14467370, 28934740]

約数ペア:

[(1, 28934740), (2, 14467370), (4, 7233685), (5, 5786948), (10, 2893474), (20, 1446737), (37, 782020), (61, 474340), (74, 391010), (122, 237170), (148, 195505), (185, 156404), (244, 118585), (305, 94868), (370, 78202), (610, 47434), (641, 45140), (740, 39101), (1220, 23717), (1282, 22570), (2257, 12820), (2564, 11285), (3205, 9028), (4514, 6410)]