2783251480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{20233}}^1$

素因数の和:20444

約数の個数: 64

約数和(自身を含む): 6628658400

約数和(自身を除く): 3845406920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 181, 190, 362, 380, 724, 760, 905, 1448, 1810, 3439, 3620, 6878, 7240, 13756, 17195, 20233, 27512, 34390, 40466, 68780, 80932, 101165, 137560, 161864, 202330, 384427, 404660, 768854, 809320, 1537708, 1922135, 3075416, 3662173, 3844270, 7324346, 7688540, 14648692, 15377080, 18310865, 29297384, 36621730, 69581287, 73243460, 139162574, 146486920, 278325148, 347906435, 556650296, 695812870, 1391625740, 2783251480]

約数ペア:

[(1, 2783251480), (2, 1391625740), (4, 695812870), (5, 556650296), (8, 347906435), (10, 278325148), (19, 146486920), (20, 139162574), (38, 73243460), (40, 69581287), (76, 36621730), (95, 29297384), (152, 18310865), (181, 15377080), (190, 14648692), (362, 7688540), (380, 7324346), (724, 3844270), (760, 3662173), (905, 3075416), (1448, 1922135), (1810, 1537708), (3439, 809320), (3620, 768854), (6878, 404660), (7240, 384427), (13756, 202330), (17195, 161864), (20233, 137560), (27512, 101165), (34390, 80932), (40466, 68780)]