717638740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20753}}^1$

素因数の和:20801

約数の個数: 96

約数和(自身を含む): 1952536320

約数和(自身を除く): 1234897580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 76, 91, 95, 130, 133, 140, 182, 190, 247, 260, 266, 364, 380, 455, 494, 532, 665, 910, 988, 1235, 1330, 1729, 1820, 2470, 2660, 3458, 4940, 6916, 8645, 17290, 20753, 34580, 41506, 83012, 103765, 145271, 207530, 269789, 290542, 394307, 415060, 539578, 581084, 726355, 788614, 1079156, 1348945, 1452710, 1577228, 1888523, 1971535, 2697890, 2760149, 2905420, 3777046, 3943070, 5125991, 5395780, 5520298, 7554092, 7886140, 9442615, 10251982, 11040596, 13800745, 18885230, 20503964, 25629955, 27601490, 35881937, 37770460, 51259910, 55202980, 71763874, 102519820, 143527748, 179409685, 358819370, 717638740]

約数ペア:

[(1, 717638740), (2, 358819370), (4, 179409685), (5, 143527748), (7, 102519820), (10, 71763874), (13, 55202980), (14, 51259910), (19, 37770460), (20, 35881937), (26, 27601490), (28, 25629955), (35, 20503964), (38, 18885230), (52, 13800745), (65, 11040596), (70, 10251982), (76, 9442615), (91, 7886140), (95, 7554092), (130, 5520298), (133, 5395780), (140, 5125991), (182, 3943070), (190, 3777046), (247, 2905420), (260, 2760149), (266, 2697890), (364, 1971535), (380, 1888523), (455, 1577228), (494, 1452710), (532, 1348945), (665, 1079156), (910, 788614), (988, 726355), (1235, 581084), (1330, 539578), (1729, 415060), (1820, 394307), (2470, 290542), (2660, 269789), (3458, 207530), (4940, 145271), (6916, 103765), (8645, 83012), (17290, 41506), (20753, 34580)]