136428740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1$

素因数の和:490

約数の個数: 144

約数和(自身を含む): 372314880

約数和(自身を除く): 235886140

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 19, 20, 28, 34, 35, 38, 49, 68, 70, 76, 85, 95, 98, 119, 133, 140, 170, 190, 196, 238, 245, 266, 323, 340, 380, 431, 476, 490, 532, 595, 646, 665, 833, 862, 931, 980, 1190, 1292, 1330, 1615, 1666, 1724, 1862, 2155, 2261, 2380, 2660, 3017, 3230, 3332, 3724, 4165, 4310, 4522, 4655, 6034, 6460, 7327, 8189, 8330, 8620, 9044, 9310, 11305, 12068, 14654, 15085, 15827, 16378, 16660, 18620, 21119, 22610, 29308, 30170, 31654, 32756, 36635, 40945, 42238, 45220, 51289, 57323, 60340, 63308, 73270, 79135, 81890, 84476, 102578, 105595, 114646, 139213, 146540, 158270, 163780, 205156, 211190, 229292, 256445, 278426, 286615, 316540, 359023, 401261, 422380, 512890, 556852, 573230, 696065, 718046, 802522, 974491, 1025780, 1146460, 1392130, 1436092, 1605044, 1795115, 1948982, 2006305, 2784260, 3590230, 3897964, 4012610, 4872455, 6821437, 7180460, 8025220, 9744910, 13642874, 19489820, 27285748, 34107185, 68214370, 136428740]

約数ペア:

[(1, 136428740), (2, 68214370), (4, 34107185), (5, 27285748), (7, 19489820), (10, 13642874), (14, 9744910), (17, 8025220), (19, 7180460), (20, 6821437), (28, 4872455), (34, 4012610), (35, 3897964), (38, 3590230), (49, 2784260), (68, 2006305), (70, 1948982), (76, 1795115), (85, 1605044), (95, 1436092), (98, 1392130), (119, 1146460), (133, 1025780), (140, 974491), (170, 802522), (190, 718046), (196, 696065), (238, 573230), (245, 556852), (266, 512890), (323, 422380), (340, 401261), (380, 359023), (431, 316540), (476, 286615), (490, 278426), (532, 256445), (595, 229292), (646, 211190), (665, 205156), (833, 163780), (862, 158270), (931, 146540), (980, 139213), (1190, 114646), (1292, 105595), (1330, 102578), (1615, 84476), (1666, 81890), (1724, 79135), (1862, 73270), (2155, 63308), (2261, 60340), (2380, 57323), (2660, 51289), (3017, 45220), (3230, 42238), (3332, 40945), (3724, 36635), (4165, 32756), (4310, 31654), (4522, 30170), (4655, 29308), (6034, 22610), (6460, 21119), (7327, 18620), (8189, 16660), (8330, 16378), (8620, 15827), (9044, 15085), (9310, 14654), (11305, 12068)]