39797800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:192

約数の個数: 144

約数和(自身を含む): 111957120

約数和(自身を除く): 72159320

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, 131, 140, 155, 175, 196, 200, 217, 245, 248, 262, 280, 310, 350, 392, 434, 490, 524, 620, 655, 700, 775, 868, 917, 980, 1048, 1085, 1225, 1240, 1310, 1400, 1519, 1550, 1736, 1834, 1960, 2170, 2450, 2620, 3038, 3100, 3275, 3668, 4061, 4340, 4585, 4900, 5240, 5425, 6076, 6200, 6419, 6550, 7336, 7595, 8122, 8680, 9170, 9800, 10850, 12152, 12838, 13100, 15190, 16244, 18340, 20305, 21700, 22925, 25676, 26200, 28427, 30380, 32095, 32488, 36680, 37975, 40610, 43400, 45850, 51352, 56854, 60760, 64190, 75950, 81220, 91700, 101525, 113708, 128380, 142135, 151900, 160475, 162440, 183400, 198989, 203050, 227416, 256760, 284270, 303800, 320950, 397978, 406100, 568540, 641900, 710675, 795956, 812200, 994945, 1137080, 1283800, 1421350, 1591912, 1989890, 2842700, 3979780, 4974725, 5685400, 7959560, 9949450, 19898900, 39797800]

約数ペア:

[(1, 39797800), (2, 19898900), (4, 9949450), (5, 7959560), (7, 5685400), (8, 4974725), (10, 3979780), (14, 2842700), (20, 1989890), (25, 1591912), (28, 1421350), (31, 1283800), (35, 1137080), (40, 994945), (49, 812200), (50, 795956), (56, 710675), (62, 641900), (70, 568540), (98, 406100), (100, 397978), (124, 320950), (131, 303800), (140, 284270), (155, 256760), (175, 227416), (196, 203050), (200, 198989), (217, 183400), (245, 162440), (248, 160475), (262, 151900), (280, 142135), (310, 128380), (350, 113708), (392, 101525), (434, 91700), (490, 81220), (524, 75950), (620, 64190), (655, 60760), (700, 56854), (775, 51352), (868, 45850), (917, 43400), (980, 40610), (1048, 37975), (1085, 36680), (1225, 32488), (1240, 32095), (1310, 30380), (1400, 28427), (1519, 26200), (1550, 25676), (1736, 22925), (1834, 21700), (1960, 20305), (2170, 18340), (2450, 16244), (2620, 15190), (3038, 13100), (3100, 12838), (3275, 12152), (3668, 10850), (4061, 9800), (4340, 9170), (4585, 8680), (4900, 8122), (5240, 7595), (5425, 7336), (6076, 6550), (6200, 6419)]