123568940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{5153}}^1$

素因数の和:5282

約数の個数: 48

約数和(自身を含む): 285737760

約数和(自身を除く): 162168820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 545, 1090, 1199, 2180, 2398, 4796, 5153, 5995, 10306, 11990, 20612, 23980, 25765, 51530, 56683, 103060, 113366, 226732, 283415, 561677, 566830, 1123354, 1133660, 2246708, 2808385, 5616770, 6178447, 11233540, 12356894, 24713788, 30892235, 61784470, 123568940]

約数ペア:

[(1, 123568940), (2, 61784470), (4, 30892235), (5, 24713788), (10, 12356894), (11, 11233540), (20, 6178447), (22, 5616770), (44, 2808385), (55, 2246708), (109, 1133660), (110, 1123354), (218, 566830), (220, 561677), (436, 283415), (545, 226732), (1090, 113366), (1199, 103060), (2180, 56683), (2398, 51530), (4796, 25765), (5153, 23980), (5995, 20612), (10306, 11990)]