291228760

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{4007}}^1$

素因数の和:4120

約数の個数: 64

約数和(自身を含む): 692582400

約数和(自身を除く): 401353640

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 79, 92, 115, 158, 184, 230, 316, 395, 460, 632, 790, 920, 1580, 1817, 3160, 3634, 4007, 7268, 8014, 9085, 14536, 16028, 18170, 20035, 32056, 36340, 40070, 72680, 80140, 92161, 160280, 184322, 316553, 368644, 460805, 633106, 737288, 921610, 1266212, 1582765, 1843220, 2532424, 3165530, 3686440, 6331060, 7280719, 12662120, 14561438, 29122876, 36403595, 58245752, 72807190, 145614380, 291228760]

約数ペア:

[(1, 291228760), (2, 145614380), (4, 72807190), (5, 58245752), (8, 36403595), (10, 29122876), (20, 14561438), (23, 12662120), (40, 7280719), (46, 6331060), (79, 3686440), (92, 3165530), (115, 2532424), (158, 1843220), (184, 1582765), (230, 1266212), (316, 921610), (395, 737288), (460, 633106), (632, 460805), (790, 368644), (920, 316553), (1580, 184322), (1817, 160280), (3160, 92161), (3634, 80140), (4007, 72680), (7268, 40070), (8014, 36340), (9085, 32056), (14536, 20035), (16028, 18170)]