855349880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{409}}^1$

素因数の和:542

約数の個数: 192

約数和(自身を含む): 2473480800

約数和(自身を除く): 1618130920

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 97, 98, 110, 140, 154, 194, 196, 220, 245, 280, 308, 385, 388, 392, 409, 440, 485, 490, 539, 616, 679, 770, 776, 818, 970, 980, 1067, 1078, 1358, 1540, 1636, 1940, 1960, 2045, 2134, 2156, 2695, 2716, 2863, 3080, 3272, 3395, 3880, 4090, 4268, 4312, 4499, 4753, 5335, 5390, 5432, 5726, 6790, 7469, 8180, 8536, 8998, 9506, 10670, 10780, 11452, 13580, 14315, 14938, 16360, 17996, 19012, 20041, 21340, 21560, 22495, 22904, 23765, 27160, 28630, 29876, 31493, 35992, 37345, 38024, 39673, 40082, 42680, 44990, 47530, 52283, 57260, 59752, 62986, 74690, 79346, 80164, 89980, 95060, 100205, 104566, 114520, 125972, 149380, 157465, 158692, 160328, 179960, 190120, 198365, 200410, 209132, 220451, 251944, 261415, 277711, 298760, 314930, 317384, 396730, 400820, 418264, 436403, 440902, 522830, 555422, 629860, 793460, 801640, 872806, 881804, 1045660, 1102255, 1110844, 1259720, 1388555, 1586920, 1745612, 1763608, 1943977, 2091320, 2182015, 2204510, 2221688, 2777110, 3054821, 3491224, 3887954, 4364030, 4409020, 5554220, 6109642, 7775908, 8728060, 8818040, 9719885, 11108440, 12219284, 15274105, 15551816, 17456120, 19439770, 21383747, 24438568, 30548210, 38879540, 42767494, 61096420, 77759080, 85534988, 106918735, 122192840, 171069976, 213837470, 427674940, 855349880]

約数ペア:

[(1, 855349880), (2, 427674940), (4, 213837470), (5, 171069976), (7, 122192840), (8, 106918735), (10, 85534988), (11, 77759080), (14, 61096420), (20, 42767494), (22, 38879540), (28, 30548210), (35, 24438568), (40, 21383747), (44, 19439770), (49, 17456120), (55, 15551816), (56, 15274105), (70, 12219284), (77, 11108440), (88, 9719885), (97, 8818040), (98, 8728060), (110, 7775908), (140, 6109642), (154, 5554220), (194, 4409020), (196, 4364030), (220, 3887954), (245, 3491224), (280, 3054821), (308, 2777110), (385, 2221688), (388, 2204510), (392, 2182015), (409, 2091320), (440, 1943977), (485, 1763608), (490, 1745612), (539, 1586920), (616, 1388555), (679, 1259720), (770, 1110844), (776, 1102255), (818, 1045660), (970, 881804), (980, 872806), (1067, 801640), (1078, 793460), (1358, 629860), (1540, 555422), (1636, 522830), (1940, 440902), (1960, 436403), (2045, 418264), (2134, 400820), (2156, 396730), (2695, 317384), (2716, 314930), (2863, 298760), (3080, 277711), (3272, 261415), (3395, 251944), (3880, 220451), (4090, 209132), (4268, 200410), (4312, 198365), (4499, 190120), (4753, 179960), (5335, 160328), (5390, 158692), (5432, 157465), (5726, 149380), (6790, 125972), (7469, 114520), (8180, 104566), (8536, 100205), (8998, 95060), (9506, 89980), (10670, 80164), (10780, 79346), (11452, 74690), (13580, 62986), (14315, 59752), (14938, 57260), (16360, 52283), (17996, 47530), (19012, 44990), (20041, 42680), (21340, 40082), (21560, 39673), (22495, 38024), (22904, 37345), (23765, 35992), (27160, 31493), (28630, 29876)]