881150200

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:390

約数の個数: 192

約数和(自身を含む): 2456985600

約数和(自身を除く): 1575835400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 31, 35, 40, 50, 56, 62, 70, 79, 100, 124, 140, 155, 158, 175, 200, 217, 248, 257, 280, 310, 316, 350, 395, 434, 514, 553, 620, 632, 700, 775, 790, 868, 1028, 1085, 1106, 1240, 1285, 1400, 1550, 1580, 1736, 1799, 1975, 2056, 2170, 2212, 2449, 2570, 2765, 3100, 3160, 3598, 3950, 4340, 4424, 4898, 5140, 5425, 5530, 6200, 6425, 7196, 7900, 7967, 8680, 8995, 9796, 10280, 10850, 11060, 12245, 12850, 13825, 14392, 15800, 15934, 17143, 17990, 19592, 20303, 21700, 22120, 24490, 25700, 27650, 31868, 34286, 35980, 39835, 40606, 43400, 44975, 48980, 51400, 55300, 55769, 61225, 63736, 68572, 71960, 79670, 81212, 85715, 89950, 97960, 101515, 110600, 111538, 122450, 137144, 142121, 159340, 162424, 171430, 179900, 199175, 203030, 223076, 244900, 278845, 284242, 318680, 342860, 359800, 398350, 406060, 428575, 446152, 489800, 507575, 557690, 568484, 629393, 685720, 710605, 796700, 812120, 857150, 1015150, 1115380, 1136968, 1258786, 1394225, 1421210, 1593400, 1714300, 2030300, 2230760, 2517572, 2788450, 2842420, 3146965, 3428600, 3553025, 4060600, 4405751, 5035144, 5576900, 5684840, 6293930, 7106050, 8811502, 11153800, 12587860, 14212100, 15734825, 17623004, 22028755, 25175720, 28424200, 31469650, 35246008, 44057510, 62939300, 88115020, 110143775, 125878600, 176230040, 220287550, 440575100, 881150200]

約数ペア:

[(1, 881150200), (2, 440575100), (4, 220287550), (5, 176230040), (7, 125878600), (8, 110143775), (10, 88115020), (14, 62939300), (20, 44057510), (25, 35246008), (28, 31469650), (31, 28424200), (35, 25175720), (40, 22028755), (50, 17623004), (56, 15734825), (62, 14212100), (70, 12587860), (79, 11153800), (100, 8811502), (124, 7106050), (140, 6293930), (155, 5684840), (158, 5576900), (175, 5035144), (200, 4405751), (217, 4060600), (248, 3553025), (257, 3428600), (280, 3146965), (310, 2842420), (316, 2788450), (350, 2517572), (395, 2230760), (434, 2030300), (514, 1714300), (553, 1593400), (620, 1421210), (632, 1394225), (700, 1258786), (775, 1136968), (790, 1115380), (868, 1015150), (1028, 857150), (1085, 812120), (1106, 796700), (1240, 710605), (1285, 685720), (1400, 629393), (1550, 568484), (1580, 557690), (1736, 507575), (1799, 489800), (1975, 446152), (2056, 428575), (2170, 406060), (2212, 398350), (2449, 359800), (2570, 342860), (2765, 318680), (3100, 284242), (3160, 278845), (3598, 244900), (3950, 223076), (4340, 203030), (4424, 199175), (4898, 179900), (5140, 171430), (5425, 162424), (5530, 159340), (6200, 142121), (6425, 137144), (7196, 122450), (7900, 111538), (7967, 110600), (8680, 101515), (8995, 97960), (9796, 89950), (10280, 85715), (10850, 81212), (11060, 79670), (12245, 71960), (12850, 68572), (13825, 63736), (14392, 61225), (15800, 55769), (15934, 55300), (17143, 51400), (17990, 48980), (19592, 44975), (20303, 43400), (21700, 40606), (22120, 39835), (24490, 35980), (25700, 34286), (27650, 31868)]