139535340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1531}}^1$

素因数の和:1588

約数の個数: 144

約数和(自身を含む): 469453824

約数和(自身を除く): 329918484

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 62, 70, 84, 93, 98, 105, 124, 140, 147, 155, 186, 196, 210, 217, 245, 294, 310, 372, 420, 434, 465, 490, 588, 620, 651, 735, 868, 930, 980, 1085, 1302, 1470, 1519, 1531, 1860, 2170, 2604, 2940, 3038, 3062, 3255, 4340, 4557, 4593, 6076, 6124, 6510, 7595, 7655, 9114, 9186, 10717, 13020, 15190, 15310, 18228, 18372, 21434, 22785, 22965, 30380, 30620, 32151, 42868, 45570, 45930, 47461, 53585, 64302, 75019, 91140, 91860, 94922, 107170, 128604, 142383, 150038, 160755, 189844, 214340, 225057, 237305, 284766, 300076, 321510, 332227, 375095, 450114, 474610, 569532, 643020, 664454, 711915, 750190, 900228, 949220, 996681, 1125285, 1328908, 1423830, 1500380, 1661135, 1993362, 2250570, 2325589, 2847660, 3322270, 3986724, 4501140, 4651178, 4983405, 6644540, 6976767, 9302356, 9966810, 11627945, 13953534, 19933620, 23255890, 27907068, 34883835, 46511780, 69767670, 139535340]

約数ペア:

[(1, 139535340), (2, 69767670), (3, 46511780), (4, 34883835), (5, 27907068), (6, 23255890), (7, 19933620), (10, 13953534), (12, 11627945), (14, 9966810), (15, 9302356), (20, 6976767), (21, 6644540), (28, 4983405), (30, 4651178), (31, 4501140), (35, 3986724), (42, 3322270), (49, 2847660), (60, 2325589), (62, 2250570), (70, 1993362), (84, 1661135), (93, 1500380), (98, 1423830), (105, 1328908), (124, 1125285), (140, 996681), (147, 949220), (155, 900228), (186, 750190), (196, 711915), (210, 664454), (217, 643020), (245, 569532), (294, 474610), (310, 450114), (372, 375095), (420, 332227), (434, 321510), (465, 300076), (490, 284766), (588, 237305), (620, 225057), (651, 214340), (735, 189844), (868, 160755), (930, 150038), (980, 142383), (1085, 128604), (1302, 107170), (1470, 94922), (1519, 91860), (1531, 91140), (1860, 75019), (2170, 64302), (2604, 53585), (2940, 47461), (3038, 45930), (3062, 45570), (3255, 42868), (4340, 32151), (4557, 30620), (4593, 30380), (6076, 22965), (6124, 22785), (6510, 21434), (7595, 18372), (7655, 18228), (9114, 15310), (9186, 15190), (10717, 13020)]