86789780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:214

約数の個数: 144

約数和(自身を含む): 236488896

約数和(自身を除く): 149699116

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 83, 97, 98, 110, 140, 154, 166, 194, 196, 220, 245, 308, 332, 385, 388, 415, 485, 490, 539, 581, 679, 770, 830, 913, 970, 980, 1067, 1078, 1162, 1358, 1540, 1660, 1826, 1940, 2134, 2156, 2324, 2695, 2716, 2905, 3395, 3652, 4067, 4268, 4565, 4753, 5335, 5390, 5810, 6391, 6790, 7469, 8051, 8134, 9130, 9506, 10670, 10780, 11620, 12782, 13580, 14938, 16102, 16268, 18260, 19012, 20335, 21340, 23765, 25564, 29876, 31955, 32204, 37345, 40255, 40670, 44737, 47530, 52283, 56357, 63910, 74690, 80510, 81340, 88561, 89474, 95060, 104566, 112714, 127820, 149380, 161020, 177122, 178948, 209132, 223685, 225428, 261415, 281785, 354244, 394499, 442805, 447370, 522830, 563570, 619927, 788998, 885610, 894740, 1045660, 1127140, 1239854, 1577996, 1771220, 1972495, 2479708, 3099635, 3944990, 4339489, 6199270, 7889980, 8678978, 12398540, 17357956, 21697445, 43394890, 86789780]

約数ペア:

[(1, 86789780), (2, 43394890), (4, 21697445), (5, 17357956), (7, 12398540), (10, 8678978), (11, 7889980), (14, 6199270), (20, 4339489), (22, 3944990), (28, 3099635), (35, 2479708), (44, 1972495), (49, 1771220), (55, 1577996), (70, 1239854), (77, 1127140), (83, 1045660), (97, 894740), (98, 885610), (110, 788998), (140, 619927), (154, 563570), (166, 522830), (194, 447370), (196, 442805), (220, 394499), (245, 354244), (308, 281785), (332, 261415), (385, 225428), (388, 223685), (415, 209132), (485, 178948), (490, 177122), (539, 161020), (581, 149380), (679, 127820), (770, 112714), (830, 104566), (913, 95060), (970, 89474), (980, 88561), (1067, 81340), (1078, 80510), (1162, 74690), (1358, 63910), (1540, 56357), (1660, 52283), (1826, 47530), (1940, 44737), (2134, 40670), (2156, 40255), (2324, 37345), (2695, 32204), (2716, 31955), (2905, 29876), (3395, 25564), (3652, 23765), (4067, 21340), (4268, 20335), (4565, 19012), (4753, 18260), (5335, 16268), (5390, 16102), (5810, 14938), (6391, 13580), (6790, 12782), (7469, 11620), (8051, 10780), (8134, 10670), (9130, 9506)]