138817420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2269}}^1$

素因数の和:2327

約数の個数: 96

約数和(自身を含む): 366105600

約数和(自身を除く): 227288180

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 23, 28, 35, 38, 46, 70, 76, 92, 95, 115, 133, 140, 161, 190, 230, 266, 322, 380, 437, 460, 532, 644, 665, 805, 874, 1330, 1610, 1748, 2185, 2269, 2660, 3059, 3220, 4370, 4538, 6118, 8740, 9076, 11345, 12236, 15295, 15883, 22690, 30590, 31766, 43111, 45380, 52187, 61180, 63532, 79415, 86222, 104374, 158830, 172444, 208748, 215555, 260935, 301777, 317660, 365309, 431110, 521870, 603554, 730618, 862220, 991553, 1043740, 1207108, 1461236, 1508885, 1826545, 1983106, 3017770, 3653090, 3966212, 4957765, 6035540, 6940871, 7306180, 9915530, 13881742, 19831060, 27763484, 34704355, 69408710, 138817420]

約数ペア:

[(1, 138817420), (2, 69408710), (4, 34704355), (5, 27763484), (7, 19831060), (10, 13881742), (14, 9915530), (19, 7306180), (20, 6940871), (23, 6035540), (28, 4957765), (35, 3966212), (38, 3653090), (46, 3017770), (70, 1983106), (76, 1826545), (92, 1508885), (95, 1461236), (115, 1207108), (133, 1043740), (140, 991553), (161, 862220), (190, 730618), (230, 603554), (266, 521870), (322, 431110), (380, 365309), (437, 317660), (460, 301777), (532, 260935), (644, 215555), (665, 208748), (805, 172444), (874, 158830), (1330, 104374), (1610, 86222), (1748, 79415), (2185, 63532), (2269, 61180), (2660, 52187), (3059, 45380), (3220, 43111), (4370, 31766), (4538, 30590), (6118, 22690), (8740, 15883), (9076, 15295), (11345, 12236)]