79899400

素因数分解:

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

素因数の和:324

約数の個数: 144

約数和(自身を含む): 223914240

約数和(自身を除く): 144014840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 31, 35, 40, 49, 50, 56, 62, 70, 98, 100, 124, 140, 155, 175, 196, 200, 217, 245, 248, 263, 280, 310, 350, 392, 434, 490, 526, 620, 700, 775, 868, 980, 1052, 1085, 1225, 1240, 1315, 1400, 1519, 1550, 1736, 1841, 1960, 2104, 2170, 2450, 2630, 3038, 3100, 3682, 4340, 4900, 5260, 5425, 6076, 6200, 6575, 7364, 7595, 8153, 8680, 9205, 9800, 10520, 10850, 12152, 12887, 13150, 14728, 15190, 16306, 18410, 21700, 25774, 26300, 30380, 32612, 36820, 37975, 40765, 43400, 46025, 51548, 52600, 57071, 60760, 64435, 65224, 73640, 75950, 81530, 92050, 103096, 114142, 128870, 151900, 163060, 184100, 203825, 228284, 257740, 285355, 303800, 322175, 326120, 368200, 399497, 407650, 456568, 515480, 570710, 644350, 798994, 815300, 1141420, 1288700, 1426775, 1597988, 1630600, 1997485, 2282840, 2577400, 2853550, 3195976, 3994970, 5707100, 7989940, 9987425, 11414200, 15979880, 19974850, 39949700, 79899400]

約数ペア:

[(1, 79899400), (2, 39949700), (4, 19974850), (5, 15979880), (7, 11414200), (8, 9987425), (10, 7989940), (14, 5707100), (20, 3994970), (25, 3195976), (28, 2853550), (31, 2577400), (35, 2282840), (40, 1997485), (49, 1630600), (50, 1597988), (56, 1426775), (62, 1288700), (70, 1141420), (98, 815300), (100, 798994), (124, 644350), (140, 570710), (155, 515480), (175, 456568), (196, 407650), (200, 399497), (217, 368200), (245, 326120), (248, 322175), (263, 303800), (280, 285355), (310, 257740), (350, 228284), (392, 203825), (434, 184100), (490, 163060), (526, 151900), (620, 128870), (700, 114142), (775, 103096), (868, 92050), (980, 81530), (1052, 75950), (1085, 73640), (1225, 65224), (1240, 64435), (1315, 60760), (1400, 57071), (1519, 52600), (1550, 51548), (1736, 46025), (1841, 43400), (1960, 40765), (2104, 37975), (2170, 36820), (2450, 32612), (2630, 30380), (3038, 26300), (3100, 25774), (3682, 21700), (4340, 18410), (4900, 16306), (5260, 15190), (5425, 14728), (6076, 13150), (6200, 12887), (6575, 12152), (7364, 10850), (7595, 10520), (8153, 9800), (8680, 9205)]