70202020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^2\times {\mathrm{227}}^1$

素因数の和:337

約数の個数: 72

約数和(自身を含む): 172904256

約数和(自身を除く): 102702236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 227, 235, 329, 454, 470, 658, 908, 940, 1135, 1316, 1589, 1645, 2209, 2270, 3178, 3290, 4418, 4540, 6356, 6580, 7945, 8836, 10669, 11045, 15463, 15890, 21338, 22090, 30926, 31780, 42676, 44180, 53345, 61852, 74683, 77315, 106690, 149366, 154630, 213380, 298732, 309260, 373415, 501443, 746830, 1002886, 1493660, 2005772, 2507215, 3510101, 5014430, 7020202, 10028860, 14040404, 17550505, 35101010, 70202020]

約数ペア:

[(1, 70202020), (2, 35101010), (4, 17550505), (5, 14040404), (7, 10028860), (10, 7020202), (14, 5014430), (20, 3510101), (28, 2507215), (35, 2005772), (47, 1493660), (70, 1002886), (94, 746830), (140, 501443), (188, 373415), (227, 309260), (235, 298732), (329, 213380), (454, 154630), (470, 149366), (658, 106690), (908, 77315), (940, 74683), (1135, 61852), (1316, 53345), (1589, 44180), (1645, 42676), (2209, 31780), (2270, 30926), (3178, 22090), (3290, 21338), (4418, 15890), (4540, 15463), (6356, 11045), (6580, 10669), (7945, 8836)]