200378980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{1997}}^1$

素因数の和:2208

約数の個数: 48

約数和(自身を含む): 438041520

約数和(自身を除く): 237662540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 173, 290, 346, 580, 692, 865, 1730, 1997, 3460, 3994, 5017, 7988, 9985, 10034, 19970, 20068, 25085, 39940, 50170, 57913, 100340, 115826, 231652, 289565, 345481, 579130, 690962, 1158260, 1381924, 1727405, 3454810, 6909620, 10018949, 20037898, 40075796, 50094745, 100189490, 200378980]

約数ペア:

[(1, 200378980), (2, 100189490), (4, 50094745), (5, 40075796), (10, 20037898), (20, 10018949), (29, 6909620), (58, 3454810), (116, 1727405), (145, 1381924), (173, 1158260), (290, 690962), (346, 579130), (580, 345481), (692, 289565), (865, 231652), (1730, 115826), (1997, 100340), (3460, 57913), (3994, 50170), (5017, 39940), (7988, 25085), (9985, 20068), (10034, 19970)]