128943100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:236

約数の個数: 144

約数和(自身を含む): 335978496

約数和(自身を除く): 207035396

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 65, 71, 100, 110, 127, 130, 142, 143, 220, 254, 260, 275, 284, 286, 325, 355, 508, 550, 572, 635, 650, 710, 715, 781, 923, 1100, 1270, 1300, 1397, 1420, 1430, 1562, 1651, 1775, 1846, 2540, 2794, 2860, 3124, 3175, 3302, 3550, 3575, 3692, 3905, 4615, 5588, 6350, 6604, 6985, 7100, 7150, 7810, 8255, 9017, 9230, 10153, 12700, 13970, 14300, 15620, 16510, 18034, 18161, 18460, 19525, 20306, 23075, 27940, 33020, 34925, 36068, 36322, 39050, 40612, 41275, 45085, 46150, 50765, 69850, 72644, 78100, 82550, 90170, 90805, 92300, 99187, 101530, 117221, 139700, 165100, 180340, 181610, 198374, 203060, 225425, 234442, 253825, 363220, 396748, 450850, 454025, 468884, 495935, 507650, 586105, 901700, 908050, 991870, 1015300, 1172210, 1289431, 1816100, 1983740, 2344420, 2479675, 2578862, 2930525, 4959350, 5157724, 5861050, 6447155, 9918700, 11722100, 12894310, 25788620, 32235775, 64471550, 128943100]

約数ペア:

[(1, 128943100), (2, 64471550), (4, 32235775), (5, 25788620), (10, 12894310), (11, 11722100), (13, 9918700), (20, 6447155), (22, 5861050), (25, 5157724), (26, 4959350), (44, 2930525), (50, 2578862), (52, 2479675), (55, 2344420), (65, 1983740), (71, 1816100), (100, 1289431), (110, 1172210), (127, 1015300), (130, 991870), (142, 908050), (143, 901700), (220, 586105), (254, 507650), (260, 495935), (275, 468884), (284, 454025), (286, 450850), (325, 396748), (355, 363220), (508, 253825), (550, 234442), (572, 225425), (635, 203060), (650, 198374), (710, 181610), (715, 180340), (781, 165100), (923, 139700), (1100, 117221), (1270, 101530), (1300, 99187), (1397, 92300), (1420, 90805), (1430, 90170), (1562, 82550), (1651, 78100), (1775, 72644), (1846, 69850), (2540, 50765), (2794, 46150), (2860, 45085), (3124, 41275), (3175, 40612), (3302, 39050), (3550, 36322), (3575, 36068), (3692, 34925), (3905, 33020), (4615, 27940), (5588, 23075), (6350, 20306), (6604, 19525), (6985, 18460), (7100, 18161), (7150, 18034), (7810, 16510), (8255, 15620), (9017, 14300), (9230, 13970), (10153, 12700)]