31370045

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 48263040

約数和(自身を除く): 16892995

約数列:

[1, 5, 7, 19, 23, 35, 49, 95, 115, 133, 161, 245, 293, 437, 665, 805, 931, 1127, 1465, 2051, 2185, 3059, 4655, 5567, 5635, 6739, 10255, 14357, 15295, 21413, 27835, 33695, 38969, 47173, 71785, 107065, 128041, 194845, 235865, 272783, 330211, 640205, 896287, 1363915, 1651055, 4481435, 6274009, 31370045]

約数ペア:

[(1, 31370045), (5, 6274009), (7, 4481435), (19, 1651055), (23, 1363915), (35, 896287), (49, 640205), (95, 330211), (115, 272783), (133, 235865), (161, 194845), (245, 128041), (293, 107065), (437, 71785), (665, 47173), (805, 38969), (931, 33695), (1127, 27835), (1465, 21413), (2051, 15295), (2185, 14357), (3059, 10255), (4655, 6739), (5567, 5635)]