87867970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1$

素因数の和:523

約数の個数: 64

約数和(自身を含む): 177292800

約数和(自身を除く): 89424830

約数列:

[1, 2, 5, 10, 19, 29, 37, 38, 58, 74, 95, 145, 185, 190, 290, 370, 431, 551, 703, 862, 1073, 1102, 1406, 2146, 2155, 2755, 3515, 4310, 5365, 5510, 7030, 8189, 10730, 12499, 15947, 16378, 20387, 24998, 31894, 40774, 40945, 62495, 79735, 81890, 101935, 124990, 159470, 203870, 237481, 302993, 462463, 474962, 605986, 924926, 1187405, 1514965, 2312315, 2374810, 3029930, 4624630, 8786797, 17573594, 43933985, 87867970]

約数ペア:

[(1, 87867970), (2, 43933985), (5, 17573594), (10, 8786797), (19, 4624630), (29, 3029930), (37, 2374810), (38, 2312315), (58, 1514965), (74, 1187405), (95, 924926), (145, 605986), (185, 474962), (190, 462463), (290, 302993), (370, 237481), (431, 203870), (551, 159470), (703, 124990), (862, 101935), (1073, 81890), (1102, 79735), (1406, 62495), (2146, 40945), (2155, 40774), (2755, 31894), (3515, 24998), (4310, 20387), (5365, 16378), (5510, 15947), (7030, 12499), (8189, 10730)]