1994490400

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11489}}^1$

素因数の和:11547

約数の個数: 144

約数和(自身を含む): 5744632320

約数和(自身を除く): 3750141920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 50, 56, 62, 70, 80, 100, 112, 124, 140, 155, 160, 175, 200, 217, 224, 248, 280, 310, 350, 400, 434, 496, 560, 620, 700, 775, 800, 868, 992, 1085, 1120, 1240, 1400, 1550, 1736, 2170, 2480, 2800, 3100, 3472, 4340, 4960, 5425, 5600, 6200, 6944, 8680, 10850, 11489, 12400, 17360, 21700, 22978, 24800, 34720, 43400, 45956, 57445, 80423, 86800, 91912, 114890, 160846, 173600, 183824, 229780, 287225, 321692, 356159, 367648, 402115, 459560, 574450, 643384, 712318, 804230, 919120, 1148900, 1286768, 1424636, 1608460, 1780795, 1838240, 2010575, 2297800, 2493113, 2573536, 2849272, 3216920, 3561590, 4021150, 4595600, 4986226, 5698544, 6433840, 7123180, 8042300, 8903975, 9191200, 9972452, 11397088, 12465565, 12867680, 14246360, 16084600, 17807950, 19944904, 24931130, 28492720, 32169200, 35615900, 39889808, 49862260, 56985440, 62327825, 64338400, 71231800, 79779616, 99724520, 124655650, 142463600, 199449040, 249311300, 284927200, 398898080, 498622600, 997245200, 1994490400]

約数ペア:

[(1, 1994490400), (2, 997245200), (4, 498622600), (5, 398898080), (7, 284927200), (8, 249311300), (10, 199449040), (14, 142463600), (16, 124655650), (20, 99724520), (25, 79779616), (28, 71231800), (31, 64338400), (32, 62327825), (35, 56985440), (40, 49862260), (50, 39889808), (56, 35615900), (62, 32169200), (70, 28492720), (80, 24931130), (100, 19944904), (112, 17807950), (124, 16084600), (140, 14246360), (155, 12867680), (160, 12465565), (175, 11397088), (200, 9972452), (217, 9191200), (224, 8903975), (248, 8042300), (280, 7123180), (310, 6433840), (350, 5698544), (400, 4986226), (434, 4595600), (496, 4021150), (560, 3561590), (620, 3216920), (700, 2849272), (775, 2573536), (800, 2493113), (868, 2297800), (992, 2010575), (1085, 1838240), (1120, 1780795), (1240, 1608460), (1400, 1424636), (1550, 1286768), (1736, 1148900), (2170, 919120), (2480, 804230), (2800, 712318), (3100, 643384), (3472, 574450), (4340, 459560), (4960, 402115), (5425, 367648), (5600, 356159), (6200, 321692), (6944, 287225), (8680, 229780), (10850, 183824), (11489, 173600), (12400, 160846), (17360, 114890), (21700, 91912), (22978, 86800), (24800, 80423), (34720, 57445), (43400, 45956)]