90982220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{263}}^1\times {\mathrm{353}}^1$

素因数の和:639

約数の個数: 72

約数和(自身を含む): 223733664

約数和(自身を除く): 132751444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 263, 353, 490, 526, 706, 980, 1052, 1315, 1412, 1765, 1841, 2471, 2630, 3530, 3682, 4942, 5260, 7060, 7364, 9205, 9884, 12355, 12887, 17297, 18410, 24710, 25774, 34594, 36820, 49420, 51548, 64435, 69188, 86485, 92839, 128870, 172970, 185678, 257740, 345940, 371356, 464195, 649873, 928390, 1299746, 1856780, 2599492, 3249365, 4549111, 6498730, 9098222, 12997460, 18196444, 22745555, 45491110, 90982220]

約数ペア:

[(1, 90982220), (2, 45491110), (4, 22745555), (5, 18196444), (7, 12997460), (10, 9098222), (14, 6498730), (20, 4549111), (28, 3249365), (35, 2599492), (49, 1856780), (70, 1299746), (98, 928390), (140, 649873), (196, 464195), (245, 371356), (263, 345940), (353, 257740), (490, 185678), (526, 172970), (706, 128870), (980, 92839), (1052, 86485), (1315, 69188), (1412, 64435), (1765, 51548), (1841, 49420), (2471, 36820), (2630, 34594), (3530, 25774), (3682, 24710), (4942, 18410), (5260, 17297), (7060, 12887), (7364, 12355), (9205, 9884)]