1277774930

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{181}}^1$

素因数の和:483

約数の個数: 64

約数和(自身を含む): 2398346496

約数和(自身を除く): 1120571566

約数列:

[1, 2, 5, 10, 61, 71, 122, 142, 163, 181, 305, 326, 355, 362, 610, 710, 815, 905, 1630, 1810, 4331, 8662, 9943, 11041, 11573, 12851, 19886, 21655, 22082, 23146, 25702, 29503, 43310, 49715, 55205, 57865, 59006, 64255, 99430, 110410, 115730, 128510, 147515, 295030, 705953, 783911, 1411906, 1567822, 1799683, 2094713, 3529765, 3599366, 3919555, 4189426, 7059530, 7839110, 8998415, 10473565, 17996830, 20947130, 127777493, 255554986, 638887465, 1277774930]

約数ペア:

[(1, 1277774930), (2, 638887465), (5, 255554986), (10, 127777493), (61, 20947130), (71, 17996830), (122, 10473565), (142, 8998415), (163, 7839110), (181, 7059530), (305, 4189426), (326, 3919555), (355, 3599366), (362, 3529765), (610, 2094713), (710, 1799683), (815, 1567822), (905, 1411906), (1630, 783911), (1810, 705953), (4331, 295030), (8662, 147515), (9943, 128510), (11041, 115730), (11573, 110410), (12851, 99430), (19886, 64255), (21655, 59006), (22082, 57865), (23146, 55205), (25702, 49715), (29503, 43310)]