27799660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1493}}^1$

素因数の和:1535

約数の個数: 72

約数和(自身を含む): 71532720

約数和(自身を除く): 43733060

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1493, 1862, 2660, 2986, 3724, 4655, 5972, 7465, 9310, 10451, 14930, 18620, 20902, 28367, 29860, 41804, 52255, 56734, 73157, 104510, 113468, 141835, 146314, 198569, 209020, 283670, 292628, 365785, 397138, 567340, 731570, 794276, 992845, 1389983, 1463140, 1985690, 2779966, 3971380, 5559932, 6949915, 13899830, 27799660]

約数ペア:

[(1, 27799660), (2, 13899830), (4, 6949915), (5, 5559932), (7, 3971380), (10, 2779966), (14, 1985690), (19, 1463140), (20, 1389983), (28, 992845), (35, 794276), (38, 731570), (49, 567340), (70, 397138), (76, 365785), (95, 292628), (98, 283670), (133, 209020), (140, 198569), (190, 146314), (196, 141835), (245, 113468), (266, 104510), (380, 73157), (490, 56734), (532, 52255), (665, 41804), (931, 29860), (980, 28367), (1330, 20902), (1493, 18620), (1862, 14930), (2660, 10451), (2986, 9310), (3724, 7465), (4655, 5972)]