208893720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{248683}}^1$

素因数の和:248704

約数の個数: 64

約数和(自身を含む): 716209920

約数和(自身を除く): 507316200

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, 248683, 497366, 746049, 994732, 1243415, 1492098, 1740781, 1989464, 2486830, 2984196, 3481562, 3730245, 4973660, 5222343, 5968392, 6963124, 7460490, 8703905, 9947320, 10444686, 13926248, 14920980, 17407810, 20889372, 26111715, 29841960, 34815620, 41778744, 52223430, 69631240, 104446860, 208893720]

約数ペア:

[(1, 208893720), (2, 104446860), (3, 69631240), (4, 52223430), (5, 41778744), (6, 34815620), (7, 29841960), (8, 26111715), (10, 20889372), (12, 17407810), (14, 14920980), (15, 13926248), (20, 10444686), (21, 9947320), (24, 8703905), (28, 7460490), (30, 6963124), (35, 5968392), (40, 5222343), (42, 4973660), (56, 3730245), (60, 3481562), (70, 2984196), (84, 2486830), (105, 1989464), (120, 1740781), (140, 1492098), (168, 1243415), (210, 994732), (280, 746049), (420, 497366), (840, 248683)]