204361456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{313}}^1$

素因数の和:450

約数の個数: 80

約数和(自身を含む): 443714656

約数和(自身を除く): 239353200

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 73, 86, 104, 146, 172, 208, 292, 313, 344, 559, 584, 626, 688, 949, 1118, 1168, 1252, 1898, 2236, 2504, 3139, 3796, 4069, 4472, 5008, 6278, 7592, 8138, 8944, 12556, 13459, 15184, 16276, 22849, 25112, 26918, 32552, 40807, 45698, 50224, 53836, 65104, 81614, 91396, 107672, 163228, 174967, 182792, 215344, 297037, 326456, 349934, 365584, 594074, 652912, 699868, 982507, 1188148, 1399736, 1965014, 2376296, 2799472, 3930028, 4752592, 7860056, 12772591, 15720112, 25545182, 51090364, 102180728, 204361456]

約数ペア:

[(1, 204361456), (2, 102180728), (4, 51090364), (8, 25545182), (13, 15720112), (16, 12772591), (26, 7860056), (43, 4752592), (52, 3930028), (73, 2799472), (86, 2376296), (104, 1965014), (146, 1399736), (172, 1188148), (208, 982507), (292, 699868), (313, 652912), (344, 594074), (559, 365584), (584, 349934), (626, 326456), (688, 297037), (949, 215344), (1118, 182792), (1168, 174967), (1252, 163228), (1898, 107672), (2236, 91396), (2504, 81614), (3139, 65104), (3796, 53836), (4069, 50224), (4472, 45698), (5008, 40807), (6278, 32552), (7592, 26918), (8138, 25112), (8944, 22849), (12556, 16276), (13459, 15184)]