31154420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 76640256

約数和(自身を除く): 45485836

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 47, 55, 92, 94, 110, 115, 131, 188, 220, 230, 235, 253, 262, 460, 470, 506, 517, 524, 655, 940, 1012, 1034, 1081, 1265, 1310, 1441, 2068, 2162, 2530, 2585, 2620, 2882, 3013, 4324, 5060, 5170, 5405, 5764, 6026, 6157, 7205, 10340, 10810, 11891, 12052, 12314, 14410, 15065, 21620, 23782, 24628, 28820, 30130, 30785, 33143, 47564, 59455, 60260, 61570, 66286, 67727, 118910, 123140, 132572, 135454, 141611, 165715, 237820, 270908, 283222, 331430, 338635, 566444, 662860, 677270, 708055, 1354540, 1416110, 1557721, 2832220, 3115442, 6230884, 7788605, 15577210, 31154420]

約数ペア:

[(1, 31154420), (2, 15577210), (4, 7788605), (5, 6230884), (10, 3115442), (11, 2832220), (20, 1557721), (22, 1416110), (23, 1354540), (44, 708055), (46, 677270), (47, 662860), (55, 566444), (92, 338635), (94, 331430), (110, 283222), (115, 270908), (131, 237820), (188, 165715), (220, 141611), (230, 135454), (235, 132572), (253, 123140), (262, 118910), (460, 67727), (470, 66286), (506, 61570), (517, 60260), (524, 59455), (655, 47564), (940, 33143), (1012, 30785), (1034, 30130), (1081, 28820), (1265, 24628), (1310, 23782), (1441, 21620), (2068, 15065), (2162, 14410), (2530, 12314), (2585, 12052), (2620, 11891), (2882, 10810), (3013, 10340), (4324, 7205), (5060, 6157), (5170, 6026), (5405, 5764)]