140279356

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:447

約数の個数: 72

約数和(自身を含む): 303878400

約数和(自身を除く): 163599044

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 139, 196, 266, 271, 278, 532, 542, 556, 931, 973, 1084, 1862, 1897, 1946, 2641, 3724, 3794, 3892, 5149, 5282, 6811, 7588, 10298, 10564, 13279, 13622, 18487, 20596, 26558, 27244, 36043, 36974, 37669, 53116, 72086, 73948, 75338, 129409, 144172, 150676, 252301, 258818, 263683, 504602, 517636, 527366, 715711, 1009204, 1054732, 1431422, 1845781, 2862844, 3691562, 5009977, 7383124, 10019954, 20039908, 35069839, 70139678, 140279356]

約数ペア:

[(1, 140279356), (2, 70139678), (4, 35069839), (7, 20039908), (14, 10019954), (19, 7383124), (28, 5009977), (38, 3691562), (49, 2862844), (76, 1845781), (98, 1431422), (133, 1054732), (139, 1009204), (196, 715711), (266, 527366), (271, 517636), (278, 504602), (532, 263683), (542, 258818), (556, 252301), (931, 150676), (973, 144172), (1084, 129409), (1862, 75338), (1897, 73948), (1946, 72086), (2641, 53116), (3724, 37669), (3794, 36974), (3892, 36043), (5149, 27244), (5282, 26558), (6811, 20596), (7588, 18487), (10298, 13622), (10564, 13279)]