155205820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1039}}^1$

素因数の和:1163

約数の個数: 96

約数和(自身を含む): 410941440

約数和(自身を除く): 255735620

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 97, 110, 140, 154, 194, 220, 308, 385, 388, 485, 679, 770, 970, 1039, 1067, 1358, 1540, 1940, 2078, 2134, 2716, 3395, 4156, 4268, 5195, 5335, 6790, 7273, 7469, 10390, 10670, 11429, 13580, 14546, 14938, 20780, 21340, 22858, 29092, 29876, 36365, 37345, 45716, 57145, 72730, 74690, 80003, 100783, 114290, 145460, 149380, 160006, 201566, 228580, 320012, 400015, 403132, 503915, 705481, 800030, 1007830, 1108613, 1410962, 1600060, 2015660, 2217226, 2821924, 3527405, 4434452, 5543065, 7054810, 7760291, 11086130, 14109620, 15520582, 22172260, 31041164, 38801455, 77602910, 155205820]

約数ペア:

[(1, 155205820), (2, 77602910), (4, 38801455), (5, 31041164), (7, 22172260), (10, 15520582), (11, 14109620), (14, 11086130), (20, 7760291), (22, 7054810), (28, 5543065), (35, 4434452), (44, 3527405), (55, 2821924), (70, 2217226), (77, 2015660), (97, 1600060), (110, 1410962), (140, 1108613), (154, 1007830), (194, 800030), (220, 705481), (308, 503915), (385, 403132), (388, 400015), (485, 320012), (679, 228580), (770, 201566), (970, 160006), (1039, 149380), (1067, 145460), (1358, 114290), (1540, 100783), (1940, 80003), (2078, 74690), (2134, 72730), (2716, 57145), (3395, 45716), (4156, 37345), (4268, 36365), (5195, 29876), (5335, 29092), (6790, 22858), (7273, 21340), (7469, 20780), (10390, 14938), (10670, 14546), (11429, 13580)]