221285776

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:296

約数の個数: 80

約数和(自身を含む): 462470400

約数和(自身を除く): 241184624

約数列:

[1, 2, 4, 8, 16, 29, 47, 58, 73, 94, 116, 139, 146, 188, 232, 278, 292, 376, 464, 556, 584, 752, 1112, 1168, 1363, 2117, 2224, 2726, 3431, 4031, 4234, 5452, 6533, 6862, 8062, 8468, 10147, 10904, 13066, 13724, 16124, 16936, 20294, 21808, 26132, 27448, 32248, 33872, 40588, 52264, 54896, 64496, 81176, 99499, 104528, 162352, 189457, 198998, 294263, 378914, 397996, 476909, 588526, 757828, 795992, 953818, 1177052, 1515656, 1591984, 1907636, 2354104, 3031312, 3815272, 4708208, 7630544, 13830361, 27660722, 55321444, 110642888, 221285776]

約数ペア:

[(1, 221285776), (2, 110642888), (4, 55321444), (8, 27660722), (16, 13830361), (29, 7630544), (47, 4708208), (58, 3815272), (73, 3031312), (94, 2354104), (116, 1907636), (139, 1591984), (146, 1515656), (188, 1177052), (232, 953818), (278, 795992), (292, 757828), (376, 588526), (464, 476909), (556, 397996), (584, 378914), (752, 294263), (1112, 198998), (1168, 189457), (1363, 162352), (2117, 104528), (2224, 99499), (2726, 81176), (3431, 64496), (4031, 54896), (4234, 52264), (5452, 40588), (6533, 33872), (6862, 32248), (8062, 27448), (8468, 26132), (10147, 21808), (10904, 20294), (13066, 16936), (13724, 16124)]