203172760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:401

約数の個数: 128

約数和(自身を含む): 547430400

約数和(自身を除く): 344257640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 89, 124, 140, 155, 178, 217, 248, 263, 280, 310, 356, 434, 445, 526, 620, 623, 712, 868, 890, 1052, 1085, 1240, 1246, 1315, 1736, 1780, 1841, 2104, 2170, 2492, 2630, 2759, 3115, 3560, 3682, 4340, 4984, 5260, 5518, 6230, 7364, 8153, 8680, 9205, 10520, 11036, 12460, 13795, 14728, 16306, 18410, 19313, 22072, 23407, 24920, 27590, 32612, 36820, 38626, 40765, 46814, 55180, 57071, 65224, 73640, 77252, 81530, 93628, 96565, 110360, 114142, 117035, 154504, 163060, 163849, 187256, 193130, 228284, 234070, 285355, 326120, 327698, 386260, 456568, 468140, 570710, 655396, 725617, 772520, 819245, 936280, 1141420, 1310792, 1451234, 1638490, 2282840, 2902468, 3276980, 3628085, 5079319, 5804936, 6553960, 7256170, 10158638, 14512340, 20317276, 25396595, 29024680, 40634552, 50793190, 101586380, 203172760]

約数ペア:

[(1, 203172760), (2, 101586380), (4, 50793190), (5, 40634552), (7, 29024680), (8, 25396595), (10, 20317276), (14, 14512340), (20, 10158638), (28, 7256170), (31, 6553960), (35, 5804936), (40, 5079319), (56, 3628085), (62, 3276980), (70, 2902468), (89, 2282840), (124, 1638490), (140, 1451234), (155, 1310792), (178, 1141420), (217, 936280), (248, 819245), (263, 772520), (280, 725617), (310, 655396), (356, 570710), (434, 468140), (445, 456568), (526, 386260), (620, 327698), (623, 326120), (712, 285355), (868, 234070), (890, 228284), (1052, 193130), (1085, 187256), (1240, 163849), (1246, 163060), (1315, 154504), (1736, 117035), (1780, 114142), (1841, 110360), (2104, 96565), (2170, 93628), (2492, 81530), (2630, 77252), (2759, 73640), (3115, 65224), (3560, 57071), (3682, 55180), (4340, 46814), (4984, 40765), (5260, 38626), (5518, 36820), (6230, 32612), (7364, 27590), (8153, 24920), (8680, 23407), (9205, 22072), (10520, 19313), (11036, 18410), (12460, 16306), (13795, 14728)]