1551129980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{240113}}^1$

素因数の和:240158

約数の個数: 48

約数和(自身を含む): 3630523680

約数和(自身を除く): 2079393700

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 240113, 480226, 960452, 1200565, 2401130, 4081921, 4562147, 4802260, 8163842, 9124294, 16327684, 18248588, 20409605, 22810735, 40819210, 45621470, 77556499, 81638420, 91242940, 155112998, 310225996, 387782495, 775564990, 1551129980]

約数ペア:

[(1, 1551129980), (2, 775564990), (4, 387782495), (5, 310225996), (10, 155112998), (17, 91242940), (19, 81638420), (20, 77556499), (34, 45621470), (38, 40819210), (68, 22810735), (76, 20409605), (85, 18248588), (95, 16327684), (170, 9124294), (190, 8163842), (323, 4802260), (340, 4562147), (380, 4081921), (646, 2401130), (1292, 1200565), (1615, 960452), (3230, 480226), (6460, 240113)]