49258720

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:193

約数の個数: 144

約数和(自身を含む): 138928608

約数和(自身を除く): 89669888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 61, 70, 80, 98, 103, 112, 122, 140, 160, 196, 206, 224, 244, 245, 280, 305, 392, 412, 427, 488, 490, 515, 560, 610, 721, 784, 824, 854, 976, 980, 1030, 1120, 1220, 1442, 1568, 1648, 1708, 1952, 1960, 2060, 2135, 2440, 2884, 2989, 3296, 3416, 3605, 3920, 4120, 4270, 4880, 5047, 5768, 5978, 6283, 6832, 7210, 7840, 8240, 8540, 9760, 10094, 11536, 11956, 12566, 13664, 14420, 14945, 16480, 17080, 20188, 23072, 23912, 25132, 25235, 28840, 29890, 31415, 34160, 40376, 43981, 47824, 50264, 50470, 57680, 59780, 62830, 68320, 80752, 87962, 95648, 100528, 100940, 115360, 119560, 125660, 161504, 175924, 201056, 201880, 219905, 239120, 251320, 307867, 351848, 403760, 439810, 478240, 502640, 615734, 703696, 807520, 879620, 1005280, 1231468, 1407392, 1539335, 1759240, 2462936, 3078670, 3518480, 4925872, 6157340, 7036960, 9851744, 12314680, 24629360, 49258720]

約数ペア:

[(1, 49258720), (2, 24629360), (4, 12314680), (5, 9851744), (7, 7036960), (8, 6157340), (10, 4925872), (14, 3518480), (16, 3078670), (20, 2462936), (28, 1759240), (32, 1539335), (35, 1407392), (40, 1231468), (49, 1005280), (56, 879620), (61, 807520), (70, 703696), (80, 615734), (98, 502640), (103, 478240), (112, 439810), (122, 403760), (140, 351848), (160, 307867), (196, 251320), (206, 239120), (224, 219905), (244, 201880), (245, 201056), (280, 175924), (305, 161504), (392, 125660), (412, 119560), (427, 115360), (488, 100940), (490, 100528), (515, 95648), (560, 87962), (610, 80752), (721, 68320), (784, 62830), (824, 59780), (854, 57680), (976, 50470), (980, 50264), (1030, 47824), (1120, 43981), (1220, 40376), (1442, 34160), (1568, 31415), (1648, 29890), (1708, 28840), (1952, 25235), (1960, 25132), (2060, 23912), (2135, 23072), (2440, 20188), (2884, 17080), (2989, 16480), (3296, 14945), (3416, 14420), (3605, 13664), (3920, 12566), (4120, 11956), (4270, 11536), (4880, 10094), (5047, 9760), (5768, 8540), (5978, 8240), (6283, 7840), (6832, 7210)]