207348520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{2503}}^1$

素因数の和:2642

約数の個数: 64

約数和(自身を含む): 495792000

約数和(自身を除く): 288443480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 109, 152, 190, 218, 380, 436, 545, 760, 872, 1090, 2071, 2180, 2503, 4142, 4360, 5006, 8284, 10012, 10355, 12515, 16568, 20024, 20710, 25030, 41420, 47557, 50060, 82840, 95114, 100120, 190228, 237785, 272827, 380456, 475570, 545654, 951140, 1091308, 1364135, 1902280, 2182616, 2728270, 5183713, 5456540, 10367426, 10913080, 20734852, 25918565, 41469704, 51837130, 103674260, 207348520]

約数ペア:

[(1, 207348520), (2, 103674260), (4, 51837130), (5, 41469704), (8, 25918565), (10, 20734852), (19, 10913080), (20, 10367426), (38, 5456540), (40, 5183713), (76, 2728270), (95, 2182616), (109, 1902280), (152, 1364135), (190, 1091308), (218, 951140), (380, 545654), (436, 475570), (545, 380456), (760, 272827), (872, 237785), (1090, 190228), (2071, 100120), (2180, 95114), (2503, 82840), (4142, 50060), (4360, 47557), (5006, 41420), (8284, 25030), (10012, 20710), (10355, 20024), (12515, 16568)]