28907940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{4967}}^1$

素因数の和:5076

約数の個数: 48

約数和(自身を含む): 81793152

約数和(自身を除く): 52885212

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 194, 291, 388, 485, 582, 970, 1164, 1455, 1940, 2910, 4967, 5820, 9934, 14901, 19868, 24835, 29802, 49670, 59604, 74505, 99340, 149010, 298020, 481799, 963598, 1445397, 1927196, 2408995, 2890794, 4817990, 5781588, 7226985, 9635980, 14453970, 28907940]

約数ペア:

[(1, 28907940), (2, 14453970), (3, 9635980), (4, 7226985), (5, 5781588), (6, 4817990), (10, 2890794), (12, 2408995), (15, 1927196), (20, 1445397), (30, 963598), (60, 481799), (97, 298020), (194, 149010), (291, 99340), (388, 74505), (485, 59604), (582, 49670), (970, 29802), (1164, 24835), (1455, 19868), (1940, 14901), (2910, 9934), (4967, 5820)]