85857990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{2131}}^1$

素因数の和:2237

約数の個数: 64

約数和(自身を含む): 221045760

約数和(自身を除く): 135187770

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 79, 85, 102, 158, 170, 237, 255, 395, 474, 510, 790, 1185, 1343, 2131, 2370, 2686, 4029, 4262, 6393, 6715, 8058, 10655, 12786, 13430, 20145, 21310, 31965, 36227, 40290, 63930, 72454, 108681, 168349, 181135, 217362, 336698, 362270, 505047, 543405, 841745, 1010094, 1086810, 1683490, 2525235, 2861933, 5050470, 5723866, 8585799, 14309665, 17171598, 28619330, 42928995, 85857990]

約数ペア:

[(1, 85857990), (2, 42928995), (3, 28619330), (5, 17171598), (6, 14309665), (10, 8585799), (15, 5723866), (17, 5050470), (30, 2861933), (34, 2525235), (51, 1683490), (79, 1086810), (85, 1010094), (102, 841745), (158, 543405), (170, 505047), (237, 362270), (255, 336698), (395, 217362), (474, 181135), (510, 168349), (790, 108681), (1185, 72454), (1343, 63930), (2131, 40290), (2370, 36227), (2686, 31965), (4029, 21310), (4262, 20145), (6393, 13430), (6715, 12786), (8058, 10655)]