208688220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{883}}^1$

素因数の和:1012

約数の個数: 144

約数和(自身を含む): 689244192

約数和(自身を除く): 480555972

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 101, 117, 130, 156, 180, 195, 202, 234, 260, 303, 390, 404, 468, 505, 585, 606, 780, 883, 909, 1010, 1170, 1212, 1313, 1515, 1766, 1818, 2020, 2340, 2626, 2649, 3030, 3532, 3636, 3939, 4415, 4545, 5252, 5298, 6060, 6565, 7878, 7947, 8830, 9090, 10596, 11479, 11817, 13130, 13245, 15756, 15894, 17660, 18180, 19695, 22958, 23634, 26260, 26490, 31788, 34437, 39390, 39735, 45916, 47268, 52980, 57395, 59085, 68874, 78780, 79470, 89183, 103311, 114790, 118170, 137748, 158940, 172185, 178366, 206622, 229580, 236340, 267549, 344370, 356732, 413244, 445915, 516555, 535098, 688740, 802647, 891830, 1033110, 1070196, 1159379, 1337745, 1605294, 1783660, 2066220, 2318758, 2675490, 3210588, 3478137, 4013235, 4637516, 5350980, 5796895, 6956274, 8026470, 10434411, 11593790, 13912548, 16052940, 17390685, 20868822, 23187580, 34781370, 41737644, 52172055, 69562740, 104344110, 208688220]

約数ペア:

[(1, 208688220), (2, 104344110), (3, 69562740), (4, 52172055), (5, 41737644), (6, 34781370), (9, 23187580), (10, 20868822), (12, 17390685), (13, 16052940), (15, 13912548), (18, 11593790), (20, 10434411), (26, 8026470), (30, 6956274), (36, 5796895), (39, 5350980), (45, 4637516), (52, 4013235), (60, 3478137), (65, 3210588), (78, 2675490), (90, 2318758), (101, 2066220), (117, 1783660), (130, 1605294), (156, 1337745), (180, 1159379), (195, 1070196), (202, 1033110), (234, 891830), (260, 802647), (303, 688740), (390, 535098), (404, 516555), (468, 445915), (505, 413244), (585, 356732), (606, 344370), (780, 267549), (883, 236340), (909, 229580), (1010, 206622), (1170, 178366), (1212, 172185), (1313, 158940), (1515, 137748), (1766, 118170), (1818, 114790), (2020, 103311), (2340, 89183), (2626, 79470), (2649, 78780), (3030, 68874), (3532, 59085), (3636, 57395), (3939, 52980), (4415, 47268), (4545, 45916), (5252, 39735), (5298, 39390), (6060, 34437), (6565, 31788), (7878, 26490), (7947, 26260), (8830, 23634), (9090, 22958), (10596, 19695), (11479, 18180), (11817, 17660), (13130, 15894), (13245, 15756)]