28369250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:109

約数の個数: 128

約数和(自身を含む): 69189120

約数和(自身を除く): 40819870

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 29, 35, 43, 50, 58, 65, 70, 86, 91, 125, 130, 145, 175, 182, 203, 215, 250, 290, 301, 325, 350, 377, 406, 430, 455, 559, 602, 650, 725, 754, 875, 910, 1015, 1075, 1118, 1247, 1450, 1505, 1625, 1750, 1885, 2030, 2150, 2275, 2494, 2639, 2795, 3010, 3250, 3625, 3770, 3913, 4550, 5075, 5278, 5375, 5590, 6235, 7250, 7525, 7826, 8729, 9425, 10150, 10750, 11375, 12470, 13195, 13975, 15050, 16211, 17458, 18850, 19565, 22750, 25375, 26390, 27950, 31175, 32422, 37625, 39130, 43645, 47125, 50750, 62350, 65975, 69875, 75250, 81055, 87290, 94250, 97825, 113477, 131950, 139750, 155875, 162110, 195650, 218225, 226954, 311750, 329875, 405275, 436450, 489125, 567385, 659750, 810550, 978250, 1091125, 1134770, 2026375, 2182250, 2836925, 4052750, 5673850, 14184625, 28369250]

約数ペア:

[(1, 28369250), (2, 14184625), (5, 5673850), (7, 4052750), (10, 2836925), (13, 2182250), (14, 2026375), (25, 1134770), (26, 1091125), (29, 978250), (35, 810550), (43, 659750), (50, 567385), (58, 489125), (65, 436450), (70, 405275), (86, 329875), (91, 311750), (125, 226954), (130, 218225), (145, 195650), (175, 162110), (182, 155875), (203, 139750), (215, 131950), (250, 113477), (290, 97825), (301, 94250), (325, 87290), (350, 81055), (377, 75250), (406, 69875), (430, 65975), (455, 62350), (559, 50750), (602, 47125), (650, 43645), (725, 39130), (754, 37625), (875, 32422), (910, 31175), (1015, 27950), (1075, 26390), (1118, 25375), (1247, 22750), (1450, 19565), (1505, 18850), (1625, 17458), (1750, 16211), (1885, 15050), (2030, 13975), (2150, 13195), (2275, 12470), (2494, 11375), (2639, 10750), (2795, 10150), (3010, 9425), (3250, 8729), (3625, 7826), (3770, 7525), (3913, 7250), (4550, 6235), (5075, 5590), (5278, 5375)]