208086340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:330

約数の個数: 144

約数和(自身を含む): 563068800

約数和(自身を除く): 354982460

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 97, 98, 110, 140, 154, 194, 196, 199, 220, 245, 308, 385, 388, 398, 485, 490, 539, 679, 770, 796, 970, 980, 995, 1067, 1078, 1358, 1393, 1540, 1940, 1990, 2134, 2156, 2189, 2695, 2716, 2786, 3395, 3980, 4268, 4378, 4753, 5335, 5390, 5572, 6790, 6965, 7469, 8756, 9506, 9751, 10670, 10780, 10945, 13580, 13930, 14938, 15323, 19012, 19303, 19502, 21340, 21890, 23765, 27860, 29876, 30646, 37345, 38606, 39004, 43780, 47530, 48755, 52283, 61292, 74690, 76615, 77212, 95060, 96515, 97510, 104566, 107261, 135121, 149380, 153230, 193030, 195020, 209132, 212333, 214522, 261415, 270242, 306460, 386060, 424666, 429044, 522830, 536305, 540484, 675605, 849332, 945847, 1045660, 1061665, 1072610, 1351210, 1486331, 1891694, 2123330, 2145220, 2702420, 2972662, 3783388, 4246660, 4729235, 5945324, 7431655, 9458470, 10404317, 14863310, 18916940, 20808634, 29726620, 41617268, 52021585, 104043170, 208086340]

約数ペア:

[(1, 208086340), (2, 104043170), (4, 52021585), (5, 41617268), (7, 29726620), (10, 20808634), (11, 18916940), (14, 14863310), (20, 10404317), (22, 9458470), (28, 7431655), (35, 5945324), (44, 4729235), (49, 4246660), (55, 3783388), (70, 2972662), (77, 2702420), (97, 2145220), (98, 2123330), (110, 1891694), (140, 1486331), (154, 1351210), (194, 1072610), (196, 1061665), (199, 1045660), (220, 945847), (245, 849332), (308, 675605), (385, 540484), (388, 536305), (398, 522830), (485, 429044), (490, 424666), (539, 386060), (679, 306460), (770, 270242), (796, 261415), (970, 214522), (980, 212333), (995, 209132), (1067, 195020), (1078, 193030), (1358, 153230), (1393, 149380), (1540, 135121), (1940, 107261), (1990, 104566), (2134, 97510), (2156, 96515), (2189, 95060), (2695, 77212), (2716, 76615), (2786, 74690), (3395, 61292), (3980, 52283), (4268, 48755), (4378, 47530), (4753, 43780), (5335, 39004), (5390, 38606), (5572, 37345), (6790, 30646), (6965, 29876), (7469, 27860), (8756, 23765), (9506, 21890), (9751, 21340), (10670, 19502), (10780, 19303), (10945, 19012), (13580, 15323), (13930, 14938)]