20157769310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{1489}}^1$

素因数の和:1686

約数の個数: 128

約数和(自身を含む): 43795987200

約数和(自身を除く): 23638217890

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 53, 70, 82, 89, 106, 178, 205, 265, 287, 371, 410, 445, 530, 574, 623, 742, 890, 1246, 1435, 1489, 1855, 2173, 2870, 2978, 3115, 3649, 3710, 4346, 4717, 6230, 7298, 7445, 9434, 10423, 10865, 14890, 15211, 18245, 20846, 21730, 23585, 25543, 30422, 33019, 36490, 47170, 51086, 52115, 61049, 66038, 76055, 78917, 104230, 122098, 127715, 132521, 152110, 157834, 165095, 193397, 255430, 265042, 305245, 330190, 386794, 394585, 427343, 552419, 610490, 662605, 789170, 854686, 927647, 966985, 1104838, 1325210, 1353779, 1855294, 1933970, 2136715, 2707558, 2762095, 3235597, 4273430, 4638235, 5433361, 5524190, 6471194, 6768895, 7023613, 9276470, 10866722, 13537790, 14047226, 16177985, 22649179, 27166805, 32355970, 35118065, 38033527, 45298358, 49165291, 54333610, 70236130, 76067054, 98330582, 113245895, 190167635, 226491790, 245826455, 287968133, 380335270, 491652910, 575936266, 1439840665, 2015776931, 2879681330, 4031553862, 10078884655, 20157769310]

約数ペア:

[(1, 20157769310), (2, 10078884655), (5, 4031553862), (7, 2879681330), (10, 2015776931), (14, 1439840665), (35, 575936266), (41, 491652910), (53, 380335270), (70, 287968133), (82, 245826455), (89, 226491790), (106, 190167635), (178, 113245895), (205, 98330582), (265, 76067054), (287, 70236130), (371, 54333610), (410, 49165291), (445, 45298358), (530, 38033527), (574, 35118065), (623, 32355970), (742, 27166805), (890, 22649179), (1246, 16177985), (1435, 14047226), (1489, 13537790), (1855, 10866722), (2173, 9276470), (2870, 7023613), (2978, 6768895), (3115, 6471194), (3649, 5524190), (3710, 5433361), (4346, 4638235), (4717, 4273430), (6230, 3235597), (7298, 2762095), (7445, 2707558), (9434, 2136715), (10423, 1933970), (10865, 1855294), (14890, 1353779), (15211, 1325210), (18245, 1104838), (20846, 966985), (21730, 927647), (23585, 854686), (25543, 789170), (30422, 662605), (33019, 610490), (36490, 552419), (47170, 427343), (51086, 394585), (52115, 386794), (61049, 330190), (66038, 305245), (76055, 265042), (78917, 255430), (104230, 193397), (122098, 165095), (127715, 157834), (132521, 152110)]