203407120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11717}}^1$

素因数の和:11768

約数の個数: 80

約数和(自身を含む): 557964288

約数和(自身を除く): 354557168

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 11717, 17360, 23434, 46868, 58585, 82019, 93736, 117170, 164038, 187472, 234340, 328076, 363227, 410095, 468680, 656152, 726454, 820190, 937360, 1312304, 1452908, 1640380, 1816135, 2542589, 2905816, 3280760, 3632270, 5085178, 5811632, 6561520, 7264540, 10170356, 12712945, 14529080, 20340712, 25425890, 29058160, 40681424, 50851780, 101703560, 203407120]

約数ペア:

[(1, 203407120), (2, 101703560), (4, 50851780), (5, 40681424), (7, 29058160), (8, 25425890), (10, 20340712), (14, 14529080), (16, 12712945), (20, 10170356), (28, 7264540), (31, 6561520), (35, 5811632), (40, 5085178), (56, 3632270), (62, 3280760), (70, 2905816), (80, 2542589), (112, 1816135), (124, 1640380), (140, 1452908), (155, 1312304), (217, 937360), (248, 820190), (280, 726454), (310, 656152), (434, 468680), (496, 410095), (560, 363227), (620, 328076), (868, 234340), (1085, 187472), (1240, 164038), (1736, 117170), (2170, 93736), (2480, 82019), (3472, 58585), (4340, 46868), (8680, 23434), (11717, 17360)]