2011812980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{61001}}^1$

素因数の和:61124

約数の個数: 48

約数和(自身を含む): 4519516176

約数和(自身を除く): 2507703196

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 97, 170, 194, 340, 388, 485, 970, 1649, 1940, 3298, 6596, 8245, 16490, 32980, 61001, 122002, 244004, 305005, 610010, 1037017, 1220020, 2074034, 4148068, 5185085, 5917097, 10370170, 11834194, 20740340, 23668388, 29585485, 59170970, 100590649, 118341940, 201181298, 402362596, 502953245, 1005906490, 2011812980]

約数ペア:

[(1, 2011812980), (2, 1005906490), (4, 502953245), (5, 402362596), (10, 201181298), (17, 118341940), (20, 100590649), (34, 59170970), (68, 29585485), (85, 23668388), (97, 20740340), (170, 11834194), (194, 10370170), (340, 5917097), (388, 5185085), (485, 4148068), (970, 2074034), (1649, 1220020), (1940, 1037017), (3298, 610010), (6596, 305005), (8245, 244004), (16490, 122002), (32980, 61001)]