208717320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{248473}}^1$

素因数の和:248494

約数の個数: 64

約数和(自身を含む): 715605120

約数和(自身を除く): 506887800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 248473, 496946, 745419, 993892, 1242365, 1490838, 1739311, 1987784, 2484730, 2981676, 3478622, 3727095, 4969460, 5217933, 5963352, 6957244, 7454190, 8696555, 9938920, 10435866, 13914488, 14908380, 17393110, 20871732, 26089665, 29816760, 34786220, 41743464, 52179330, 69572440, 104358660, 208717320]

約数ペア:

[(1, 208717320), (2, 104358660), (3, 69572440), (4, 52179330), (5, 41743464), (6, 34786220), (7, 29816760), (8, 26089665), (10, 20871732), (12, 17393110), (14, 14908380), (15, 13914488), (20, 10435866), (21, 9938920), (24, 8696555), (28, 7454190), (30, 6957244), (35, 5963352), (40, 5217933), (42, 4969460), (56, 3727095), (60, 3478622), (70, 2981676), (84, 2484730), (105, 1987784), (120, 1739311), (140, 1490838), (168, 1242365), (210, 993892), (280, 745419), (420, 496946), (840, 248473)]