639964500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^2\times {\mathrm{8707}}^1$

素因数の和:8743

約数の個数: 144

約数和(自身を含む): 2168083008

約数和(自身を除く): 1528118508

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 49, 50, 60, 70, 75, 84, 98, 100, 105, 125, 140, 147, 150, 175, 196, 210, 245, 250, 294, 300, 350, 375, 420, 490, 500, 525, 588, 700, 735, 750, 875, 980, 1050, 1225, 1470, 1500, 1750, 2100, 2450, 2625, 2940, 3500, 3675, 4900, 5250, 6125, 7350, 8707, 10500, 12250, 14700, 17414, 18375, 24500, 26121, 34828, 36750, 43535, 52242, 60949, 73500, 87070, 104484, 121898, 130605, 174140, 182847, 217675, 243796, 261210, 304745, 365694, 426643, 435350, 522420, 609490, 653025, 731388, 853286, 870700, 914235, 1088375, 1218980, 1279929, 1306050, 1523725, 1706572, 1828470, 2133215, 2176750, 2559858, 2612100, 3047450, 3265125, 3656940, 4266430, 4353500, 4571175, 5119716, 6094900, 6399645, 6530250, 7618625, 8532860, 9142350, 10666075, 12799290, 13060500, 15237250, 18284700, 21332150, 22855875, 25598580, 30474500, 31998225, 42664300, 45711750, 53330375, 63996450, 91423500, 106660750, 127992900, 159991125, 213321500, 319982250, 639964500]

約数ペア:

[(1, 639964500), (2, 319982250), (3, 213321500), (4, 159991125), (5, 127992900), (6, 106660750), (7, 91423500), (10, 63996450), (12, 53330375), (14, 45711750), (15, 42664300), (20, 31998225), (21, 30474500), (25, 25598580), (28, 22855875), (30, 21332150), (35, 18284700), (42, 15237250), (49, 13060500), (50, 12799290), (60, 10666075), (70, 9142350), (75, 8532860), (84, 7618625), (98, 6530250), (100, 6399645), (105, 6094900), (125, 5119716), (140, 4571175), (147, 4353500), (150, 4266430), (175, 3656940), (196, 3265125), (210, 3047450), (245, 2612100), (250, 2559858), (294, 2176750), (300, 2133215), (350, 1828470), (375, 1706572), (420, 1523725), (490, 1306050), (500, 1279929), (525, 1218980), (588, 1088375), (700, 914235), (735, 870700), (750, 853286), (875, 731388), (980, 653025), (1050, 609490), (1225, 522420), (1470, 435350), (1500, 426643), (1750, 365694), (2100, 304745), (2450, 261210), (2625, 243796), (2940, 217675), (3500, 182847), (3675, 174140), (4900, 130605), (5250, 121898), (6125, 104484), (7350, 87070), (8707, 73500), (10500, 60949), (12250, 52242), (14700, 43535), (17414, 36750), (18375, 34828), (24500, 26121)]