28003850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:168

約数の個数: 96

約数和(自身を含む): 64281600

約数和(自身を除く): 36277750

約数列:

[1, 2, 5, 7, 10, 14, 25, 29, 31, 35, 50, 58, 62, 70, 89, 145, 155, 175, 178, 203, 217, 290, 310, 350, 406, 434, 445, 623, 725, 775, 890, 899, 1015, 1085, 1246, 1450, 1550, 1798, 2030, 2170, 2225, 2581, 2759, 3115, 4450, 4495, 5075, 5162, 5425, 5518, 6230, 6293, 8990, 10150, 10850, 12586, 12905, 13795, 15575, 18067, 19313, 22475, 25810, 27590, 31150, 31465, 36134, 38626, 44950, 62930, 64525, 68975, 80011, 90335, 96565, 129050, 137950, 157325, 160022, 180670, 193130, 314650, 400055, 451675, 482825, 560077, 800110, 903350, 965650, 1120154, 2000275, 2800385, 4000550, 5600770, 14001925, 28003850]

約数ペア:

[(1, 28003850), (2, 14001925), (5, 5600770), (7, 4000550), (10, 2800385), (14, 2000275), (25, 1120154), (29, 965650), (31, 903350), (35, 800110), (50, 560077), (58, 482825), (62, 451675), (70, 400055), (89, 314650), (145, 193130), (155, 180670), (175, 160022), (178, 157325), (203, 137950), (217, 129050), (290, 96565), (310, 90335), (350, 80011), (406, 68975), (434, 64525), (445, 62930), (623, 44950), (725, 38626), (775, 36134), (890, 31465), (899, 31150), (1015, 27590), (1085, 25810), (1246, 22475), (1450, 19313), (1550, 18067), (1798, 15575), (2030, 13795), (2170, 12905), (2225, 12586), (2581, 10850), (2759, 10150), (3115, 8990), (4450, 6293), (4495, 6230), (5075, 5518), (5162, 5425)]