90166700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1613}}^1$

素因数の和:1683

約数の個数: 72

約数和(自身を含む): 215746608

約数和(自身を除く): 125579908

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 43, 50, 52, 65, 86, 100, 130, 172, 215, 260, 325, 430, 559, 650, 860, 1075, 1118, 1300, 1613, 2150, 2236, 2795, 3226, 4300, 5590, 6452, 8065, 11180, 13975, 16130, 20969, 27950, 32260, 40325, 41938, 55900, 69359, 80650, 83876, 104845, 138718, 161300, 209690, 277436, 346795, 419380, 524225, 693590, 901667, 1048450, 1387180, 1733975, 1803334, 2096900, 3467950, 3606668, 4508335, 6935900, 9016670, 18033340, 22541675, 45083350, 90166700]

約数ペア:

[(1, 90166700), (2, 45083350), (4, 22541675), (5, 18033340), (10, 9016670), (13, 6935900), (20, 4508335), (25, 3606668), (26, 3467950), (43, 2096900), (50, 1803334), (52, 1733975), (65, 1387180), (86, 1048450), (100, 901667), (130, 693590), (172, 524225), (215, 419380), (260, 346795), (325, 277436), (430, 209690), (559, 161300), (650, 138718), (860, 104845), (1075, 83876), (1118, 80650), (1300, 69359), (1613, 55900), (2150, 41938), (2236, 40325), (2795, 32260), (3226, 27950), (4300, 20969), (5590, 16130), (6452, 13975), (8065, 11180)]