1999465545

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{367}}^1$

素因数の和:535

約数の個数: 128

約数和(自身を含む): 4120657920

約数和(自身を除く): 2121192375

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 53, 55, 77, 89, 105, 159, 165, 231, 265, 267, 367, 371, 385, 445, 583, 623, 795, 979, 1101, 1113, 1155, 1335, 1749, 1835, 1855, 1869, 2569, 2915, 2937, 3115, 4037, 4081, 4717, 4895, 5505, 5565, 6853, 7707, 8745, 9345, 12111, 12243, 12845, 14151, 14685, 19451, 20185, 20405, 20559, 23585, 28259, 32663, 33019, 34265, 38535, 51887, 58353, 60555, 61215, 70755, 84777, 97255, 97989, 99057, 102795, 136157, 141295, 155661, 163315, 165095, 213961, 228641, 259435, 291765, 359293, 363209, 408471, 423885, 489945, 495285, 641883, 680785, 685923, 778305, 1069805, 1077879, 1089627, 1143205, 1497727, 1731139, 1796465, 1816045, 2042355, 2515051, 3209415, 3429615, 4493181, 5193417, 5389395, 5448135, 7488635, 7545153, 8655695, 12117973, 12575255, 19042529, 22465905, 25967085, 36353919, 37725765, 57127587, 60589865, 95212645, 133297703, 181769595, 285637935, 399893109, 666488515, 1999465545]

約数ペア:

[(1, 1999465545), (3, 666488515), (5, 399893109), (7, 285637935), (11, 181769595), (15, 133297703), (21, 95212645), (33, 60589865), (35, 57127587), (53, 37725765), (55, 36353919), (77, 25967085), (89, 22465905), (105, 19042529), (159, 12575255), (165, 12117973), (231, 8655695), (265, 7545153), (267, 7488635), (367, 5448135), (371, 5389395), (385, 5193417), (445, 4493181), (583, 3429615), (623, 3209415), (795, 2515051), (979, 2042355), (1101, 1816045), (1113, 1796465), (1155, 1731139), (1335, 1497727), (1749, 1143205), (1835, 1089627), (1855, 1077879), (1869, 1069805), (2569, 778305), (2915, 685923), (2937, 680785), (3115, 641883), (4037, 495285), (4081, 489945), (4717, 423885), (4895, 408471), (5505, 363209), (5565, 359293), (6853, 291765), (7707, 259435), (8745, 228641), (9345, 213961), (12111, 165095), (12243, 163315), (12845, 155661), (14151, 141295), (14685, 136157), (19451, 102795), (20185, 99057), (20405, 97989), (20559, 97255), (23585, 84777), (28259, 70755), (32663, 61215), (33019, 60555), (34265, 58353), (38535, 51887)]