101490320

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{181}}^1$

素因数の和:400

約数の個数: 80

約数和(自身を含む): 244276032

約数和(自身を除く): 142785712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 163, 172, 181, 215, 326, 344, 362, 430, 652, 688, 724, 815, 860, 905, 1304, 1448, 1630, 1720, 1810, 2608, 2896, 3260, 3440, 3620, 6520, 7009, 7240, 7783, 13040, 14018, 14480, 15566, 28036, 29503, 31132, 35045, 38915, 56072, 59006, 62264, 70090, 77830, 112144, 118012, 124528, 140180, 147515, 155660, 236024, 280360, 295030, 311320, 472048, 560720, 590060, 622640, 1180120, 1268629, 2360240, 2537258, 5074516, 6343145, 10149032, 12686290, 20298064, 25372580, 50745160, 101490320]

約数ペア:

[(1, 101490320), (2, 50745160), (4, 25372580), (5, 20298064), (8, 12686290), (10, 10149032), (16, 6343145), (20, 5074516), (40, 2537258), (43, 2360240), (80, 1268629), (86, 1180120), (163, 622640), (172, 590060), (181, 560720), (215, 472048), (326, 311320), (344, 295030), (362, 280360), (430, 236024), (652, 155660), (688, 147515), (724, 140180), (815, 124528), (860, 118012), (905, 112144), (1304, 77830), (1448, 70090), (1630, 62264), (1720, 59006), (1810, 56072), (2608, 38915), (2896, 35045), (3260, 31132), (3440, 29503), (3620, 28036), (6520, 15566), (7009, 14480), (7240, 14018), (7783, 13040)]