200499968

素因数分解:

$2^8\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:397

約数の個数: 72

約数和(自身を含む): 419428800

約数和(自身を除く): 218928832

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 113, 116, 128, 226, 232, 239, 256, 452, 464, 478, 904, 928, 956, 1808, 1856, 1912, 3277, 3616, 3712, 3824, 6554, 6931, 7232, 7424, 7648, 13108, 13862, 14464, 15296, 26216, 27007, 27724, 28928, 30592, 52432, 54014, 55448, 61184, 104864, 108028, 110896, 209728, 216056, 221792, 419456, 432112, 443584, 783203, 838912, 864224, 887168, 1566406, 1728448, 1774336, 3132812, 3456896, 6265624, 6913792, 12531248, 25062496, 50124992, 100249984, 200499968]

約数ペア:

[(1, 200499968), (2, 100249984), (4, 50124992), (8, 25062496), (16, 12531248), (29, 6913792), (32, 6265624), (58, 3456896), (64, 3132812), (113, 1774336), (116, 1728448), (128, 1566406), (226, 887168), (232, 864224), (239, 838912), (256, 783203), (452, 443584), (464, 432112), (478, 419456), (904, 221792), (928, 216056), (956, 209728), (1808, 110896), (1856, 108028), (1912, 104864), (3277, 61184), (3616, 55448), (3712, 54014), (3824, 52432), (6554, 30592), (6931, 28928), (7232, 27724), (7424, 27007), (7648, 26216), (13108, 15296), (13862, 14464)]