401304420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{202679}}^1$

素因数の和:202705

約数の個数: 72

約数和(自身を含む): 1327959360

約数和(自身を除く): 926654940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 202679, 405358, 608037, 810716, 1013395, 1216074, 1824111, 2026790, 2229469, 2432148, 3040185, 3648222, 4053580, 4458938, 6080370, 6688407, 7296444, 8917876, 9120555, 11147345, 12160740, 13376814, 18241110, 20065221, 22294690, 26753628, 33442035, 36482220, 40130442, 44589380, 66884070, 80260884, 100326105, 133768140, 200652210, 401304420]

約数ペア:

[(1, 401304420), (2, 200652210), (3, 133768140), (4, 100326105), (5, 80260884), (6, 66884070), (9, 44589380), (10, 40130442), (11, 36482220), (12, 33442035), (15, 26753628), (18, 22294690), (20, 20065221), (22, 18241110), (30, 13376814), (33, 12160740), (36, 11147345), (44, 9120555), (45, 8917876), (55, 7296444), (60, 6688407), (66, 6080370), (90, 4458938), (99, 4053580), (110, 3648222), (132, 3040185), (165, 2432148), (180, 2229469), (198, 2026790), (220, 1824111), (330, 1216074), (396, 1013395), (495, 810716), (660, 608037), (990, 405358), (1980, 202679)]