138288920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{761}}^1$

素因数の和:849

約数の個数: 128

約数和(自身を含む): 395020800

約数和(自身を除く): 256731880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 59, 70, 77, 88, 110, 118, 140, 154, 220, 236, 280, 295, 308, 385, 413, 440, 472, 590, 616, 649, 761, 770, 826, 1180, 1298, 1522, 1540, 1652, 2065, 2360, 2596, 3044, 3080, 3245, 3304, 3805, 4130, 4543, 5192, 5327, 6088, 6490, 7610, 8260, 8371, 9086, 10654, 12980, 15220, 16520, 16742, 18172, 21308, 22715, 25960, 26635, 30440, 33484, 36344, 41855, 42616, 44899, 45430, 53270, 58597, 66968, 83710, 89798, 90860, 106540, 117194, 167420, 179596, 181720, 213080, 224495, 234388, 292985, 314293, 334840, 359192, 448990, 468776, 493889, 585970, 628586, 897980, 987778, 1171940, 1257172, 1571465, 1795960, 1975556, 2343880, 2469445, 2514344, 3142930, 3457223, 3951112, 4938890, 6285860, 6914446, 9877780, 12571720, 13828892, 17286115, 19755560, 27657784, 34572230, 69144460, 138288920]

約数ペア:

[(1, 138288920), (2, 69144460), (4, 34572230), (5, 27657784), (7, 19755560), (8, 17286115), (10, 13828892), (11, 12571720), (14, 9877780), (20, 6914446), (22, 6285860), (28, 4938890), (35, 3951112), (40, 3457223), (44, 3142930), (55, 2514344), (56, 2469445), (59, 2343880), (70, 1975556), (77, 1795960), (88, 1571465), (110, 1257172), (118, 1171940), (140, 987778), (154, 897980), (220, 628586), (236, 585970), (280, 493889), (295, 468776), (308, 448990), (385, 359192), (413, 334840), (440, 314293), (472, 292985), (590, 234388), (616, 224495), (649, 213080), (761, 181720), (770, 179596), (826, 167420), (1180, 117194), (1298, 106540), (1522, 90860), (1540, 89798), (1652, 83710), (2065, 66968), (2360, 58597), (2596, 53270), (3044, 45430), (3080, 44899), (3245, 42616), (3304, 41855), (3805, 36344), (4130, 33484), (4543, 30440), (5192, 26635), (5327, 25960), (6088, 22715), (6490, 21308), (7610, 18172), (8260, 16742), (8371, 16520), (9086, 15220), (10654, 12980)]