319401320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{21523}}^1$

素因数の和:21594

約数の個数: 64

約数和(自身を含む): 836853120

約数和(自身を除く): 517451800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 742, 1060, 1484, 1855, 2120, 2968, 3710, 7420, 14840, 21523, 43046, 86092, 107615, 150661, 172184, 215230, 301322, 430460, 602644, 753305, 860920, 1140719, 1205288, 1506610, 2281438, 3013220, 4562876, 5703595, 6026440, 7985033, 9125752, 11407190, 15970066, 22814380, 31940132, 39925165, 45628760, 63880264, 79850330, 159700660, 319401320]

約数ペア:

[(1, 319401320), (2, 159700660), (4, 79850330), (5, 63880264), (7, 45628760), (8, 39925165), (10, 31940132), (14, 22814380), (20, 15970066), (28, 11407190), (35, 9125752), (40, 7985033), (53, 6026440), (56, 5703595), (70, 4562876), (106, 3013220), (140, 2281438), (212, 1506610), (265, 1205288), (280, 1140719), (371, 860920), (424, 753305), (530, 602644), (742, 430460), (1060, 301322), (1484, 215230), (1855, 172184), (2120, 150661), (2968, 107615), (3710, 86092), (7420, 43046), (14840, 21523)]