201130820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{5051}}^1$

素因数の和:5252

約数の個数: 48

約数和(自身を含む): 463409856

約数和(自身を除く): 262279036

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 181, 220, 362, 724, 905, 1810, 1991, 3620, 3982, 5051, 7964, 9955, 10102, 19910, 20204, 25255, 39820, 50510, 55561, 101020, 111122, 222244, 277805, 555610, 914231, 1111220, 1828462, 3656924, 4571155, 9142310, 10056541, 18284620, 20113082, 40226164, 50282705, 100565410, 201130820]

約数ペア:

[(1, 201130820), (2, 100565410), (4, 50282705), (5, 40226164), (10, 20113082), (11, 18284620), (20, 10056541), (22, 9142310), (44, 4571155), (55, 3656924), (110, 1828462), (181, 1111220), (220, 914231), (362, 555610), (724, 277805), (905, 222244), (1810, 111122), (1991, 101020), (3620, 55561), (3982, 50510), (5051, 39820), (7964, 25255), (9955, 20204), (10102, 19910)]