2538399790

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{769}}^1$

素因数の和:997

約数の個数: 64

約数和(自身を含む): 4792011840

約数和(自身を除く): 2253612050

約数列:

[1, 2, 5, 10, 41, 82, 83, 97, 166, 194, 205, 410, 415, 485, 769, 830, 970, 1538, 3403, 3845, 3977, 6806, 7690, 7954, 8051, 16102, 17015, 19885, 31529, 34030, 39770, 40255, 63058, 63827, 74593, 80510, 127654, 149186, 157645, 315290, 319135, 330091, 372965, 638270, 660182, 745930, 1650455, 2616907, 3058313, 3300910, 5233814, 6116626, 6191219, 12382438, 13084535, 15291565, 26169070, 30583130, 30956095, 61912190, 253839979, 507679958, 1269199895, 2538399790]

約数ペア:

[(1, 2538399790), (2, 1269199895), (5, 507679958), (10, 253839979), (41, 61912190), (82, 30956095), (83, 30583130), (97, 26169070), (166, 15291565), (194, 13084535), (205, 12382438), (410, 6191219), (415, 6116626), (485, 5233814), (769, 3300910), (830, 3058313), (970, 2616907), (1538, 1650455), (3403, 745930), (3845, 660182), (3977, 638270), (6806, 372965), (7690, 330091), (7954, 319135), (8051, 315290), (16102, 157645), (17015, 149186), (19885, 127654), (31529, 80510), (34030, 74593), (39770, 63827), (40255, 63058)]