420295246

素因数分解:

$2^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{167}}^1\times {\mathrm{421}}^1$

素因数の和:665

約数の個数: 48

約数和(自身を含む): 751639392

約数和(自身を除く): 331344146

約数列:

[1, 2, 7, 14, 49, 61, 98, 122, 167, 334, 421, 427, 842, 854, 1169, 2338, 2947, 2989, 5894, 5978, 8183, 10187, 16366, 20374, 20629, 25681, 41258, 51362, 70307, 71309, 140614, 142618, 179767, 359534, 492149, 499163, 984298, 998326, 1258369, 2516738, 3445043, 4288727, 6890086, 8577454, 30021089, 60042178, 210147623, 420295246]

約数ペア:

[(1, 420295246), (2, 210147623), (7, 60042178), (14, 30021089), (49, 8577454), (61, 6890086), (98, 4288727), (122, 3445043), (167, 2516738), (334, 1258369), (421, 998326), (427, 984298), (842, 499163), (854, 492149), (1169, 359534), (2338, 179767), (2947, 142618), (2989, 140614), (5894, 71309), (5978, 70307), (8183, 51362), (10187, 41258), (16366, 25681), (20374, 20629)]