206987620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1289}}^1$

素因数の和:1373

約数の個数: 96

約数和(自身を含む): 527063040

約数和(自身を除く): 320075420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 37, 62, 70, 74, 124, 140, 148, 155, 185, 217, 259, 310, 370, 434, 518, 620, 740, 868, 1036, 1085, 1147, 1289, 1295, 2170, 2294, 2578, 2590, 4340, 4588, 5156, 5180, 5735, 6445, 8029, 9023, 11470, 12890, 16058, 18046, 22940, 25780, 32116, 36092, 39959, 40145, 45115, 47693, 79918, 80290, 90230, 95386, 159836, 160580, 180460, 190772, 199795, 238465, 279713, 333851, 399590, 476930, 559426, 667702, 799180, 953860, 1118852, 1335404, 1398565, 1478483, 1669255, 2797130, 2956966, 3338510, 5594260, 5913932, 6677020, 7392415, 10349381, 14784830, 20698762, 29569660, 41397524, 51746905, 103493810, 206987620]

約数ペア:

[(1, 206987620), (2, 103493810), (4, 51746905), (5, 41397524), (7, 29569660), (10, 20698762), (14, 14784830), (20, 10349381), (28, 7392415), (31, 6677020), (35, 5913932), (37, 5594260), (62, 3338510), (70, 2956966), (74, 2797130), (124, 1669255), (140, 1478483), (148, 1398565), (155, 1335404), (185, 1118852), (217, 953860), (259, 799180), (310, 667702), (370, 559426), (434, 476930), (518, 399590), (620, 333851), (740, 279713), (868, 238465), (1036, 199795), (1085, 190772), (1147, 180460), (1289, 160580), (1295, 159836), (2170, 95386), (2294, 90230), (2578, 80290), (2590, 79918), (4340, 47693), (4588, 45115), (5156, 40145), (5180, 39959), (5735, 36092), (6445, 32116), (8029, 25780), (9023, 22940), (11470, 18046), (12890, 16058)]