888947320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{6577}}^1$

素因数の和:6728

約数の個数: 64

約数和(自身を含む): 2083910400

約数和(自身を除く): 1194963080

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 109, 124, 155, 218, 248, 310, 436, 545, 620, 872, 1090, 1240, 2180, 3379, 4360, 6577, 6758, 13154, 13516, 16895, 26308, 27032, 32885, 33790, 52616, 65770, 67580, 131540, 135160, 203887, 263080, 407774, 716893, 815548, 1019435, 1433786, 1631096, 2038870, 2867572, 3584465, 4077740, 5735144, 7168930, 8155480, 14337860, 22223683, 28675720, 44447366, 88894732, 111118415, 177789464, 222236830, 444473660, 888947320]

約数ペア:

[(1, 888947320), (2, 444473660), (4, 222236830), (5, 177789464), (8, 111118415), (10, 88894732), (20, 44447366), (31, 28675720), (40, 22223683), (62, 14337860), (109, 8155480), (124, 7168930), (155, 5735144), (218, 4077740), (248, 3584465), (310, 2867572), (436, 2038870), (545, 1631096), (620, 1433786), (872, 1019435), (1090, 815548), (1240, 716893), (2180, 407774), (3379, 263080), (4360, 203887), (6577, 135160), (6758, 131540), (13154, 67580), (13516, 65770), (16895, 52616), (26308, 33790), (27032, 32885)]