157217762020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{227}}^1\times {\mathrm{17393}}^1$

素因数の和:17821

約数の個数: 96

約数和(自身を含む): 363777837696

約数和(自身を除く): 206560075676

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 181, 220, 227, 362, 454, 724, 905, 908, 1135, 1810, 1991, 2270, 2497, 3620, 3982, 4540, 4994, 7964, 9955, 9988, 12485, 17393, 19910, 24970, 34786, 39820, 41087, 49940, 69572, 82174, 86965, 164348, 173930, 191323, 205435, 347860, 382646, 410870, 451957, 765292, 821740, 903914, 956615, 1807828, 1913230, 2259785, 3148133, 3826460, 3948211, 4519570, 6296266, 7896422, 9039140, 12592532, 15740665, 15792844, 19741055, 31481330, 34629463, 39482110, 43430321, 62962660, 69258926, 78964220, 86860642, 138517852, 173147315, 173721284, 217151605, 346294630, 434303210, 692589260, 714626191, 868606420, 1429252382, 2858504764, 3573130955, 7146261910, 7860888101, 14292523820, 15721776202, 31443552404, 39304440505, 78608881010, 157217762020]

約数ペア:

[(1, 157217762020), (2, 78608881010), (4, 39304440505), (5, 31443552404), (10, 15721776202), (11, 14292523820), (20, 7860888101), (22, 7146261910), (44, 3573130955), (55, 2858504764), (110, 1429252382), (181, 868606420), (220, 714626191), (227, 692589260), (362, 434303210), (454, 346294630), (724, 217151605), (905, 173721284), (908, 173147315), (1135, 138517852), (1810, 86860642), (1991, 78964220), (2270, 69258926), (2497, 62962660), (3620, 43430321), (3982, 39482110), (4540, 34629463), (4994, 31481330), (7964, 19741055), (9955, 15792844), (9988, 15740665), (12485, 12592532), (17393, 9039140), (19910, 7896422), (24970, 6296266), (34786, 4519570), (39820, 3948211), (41087, 3826460), (49940, 3148133), (69572, 2259785), (82174, 1913230), (86965, 1807828), (164348, 956615), (173930, 903914), (191323, 821740), (205435, 765292), (347860, 451957), (382646, 410870)]