90840400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{32443}}^1$

素因数の和:32468

約数の個数: 60

約数和(自身を含む): 249429472

約数和(自身を除く): 158589072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 32443, 64886, 129772, 162215, 227101, 259544, 324430, 454202, 519088, 648860, 811075, 908404, 1135505, 1297720, 1622150, 1816808, 2271010, 2595440, 3244300, 3633616, 4542020, 5677525, 6488600, 9084040, 11355050, 12977200, 18168080, 22710100, 45420200, 90840400]

約数ペア:

[(1, 90840400), (2, 45420200), (4, 22710100), (5, 18168080), (7, 12977200), (8, 11355050), (10, 9084040), (14, 6488600), (16, 5677525), (20, 4542020), (25, 3633616), (28, 3244300), (35, 2595440), (40, 2271010), (50, 1816808), (56, 1622150), (70, 1297720), (80, 1135505), (100, 908404), (112, 811075), (140, 648860), (175, 519088), (200, 454202), (280, 324430), (350, 259544), (400, 227101), (560, 162215), (700, 129772), (1400, 64886), (2800, 32443)]