30995380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1229}}^1$

素因数の和:1348

約数の個数: 48

約数和(自身を含む): 70877520

約数和(自身を除く): 39882140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 194, 260, 388, 485, 970, 1229, 1261, 1940, 2458, 2522, 4916, 5044, 6145, 6305, 12290, 12610, 15977, 24580, 25220, 31954, 63908, 79885, 119213, 159770, 238426, 319540, 476852, 596065, 1192130, 1549769, 2384260, 3099538, 6199076, 7748845, 15497690, 30995380]

約数ペア:

[(1, 30995380), (2, 15497690), (4, 7748845), (5, 6199076), (10, 3099538), (13, 2384260), (20, 1549769), (26, 1192130), (52, 596065), (65, 476852), (97, 319540), (130, 238426), (194, 159770), (260, 119213), (388, 79885), (485, 63908), (970, 31954), (1229, 25220), (1261, 24580), (1940, 15977), (2458, 12610), (2522, 12290), (4916, 6305), (5044, 6145)]