239888908

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1741}}^1$

素因数の和:1815

約数の個数: 72

約数和(自身を含む): 528244080

約数和(自身を除く): 288355172

約数列:

[1, 2, 4, 7, 14, 19, 28, 37, 38, 49, 74, 76, 98, 133, 148, 196, 259, 266, 518, 532, 703, 931, 1036, 1406, 1741, 1813, 1862, 2812, 3482, 3626, 3724, 4921, 6964, 7252, 9842, 12187, 19684, 24374, 33079, 34447, 48748, 64417, 66158, 68894, 85309, 128834, 132316, 137788, 170618, 231553, 257668, 341236, 450919, 463106, 901838, 926212, 1223923, 1620871, 1803676, 2447846, 3156433, 3241742, 4895692, 6312866, 6483484, 8567461, 12625732, 17134922, 34269844, 59972227, 119944454, 239888908]

約数ペア:

[(1, 239888908), (2, 119944454), (4, 59972227), (7, 34269844), (14, 17134922), (19, 12625732), (28, 8567461), (37, 6483484), (38, 6312866), (49, 4895692), (74, 3241742), (76, 3156433), (98, 2447846), (133, 1803676), (148, 1620871), (196, 1223923), (259, 926212), (266, 901838), (518, 463106), (532, 450919), (703, 341236), (931, 257668), (1036, 231553), (1406, 170618), (1741, 137788), (1813, 132316), (1862, 128834), (2812, 85309), (3482, 68894), (3626, 66158), (3724, 64417), (4921, 48748), (6964, 34447), (7252, 33079), (9842, 24374), (12187, 19684)]