89180

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{13}}^1$

素因数の和:43

約数の個数: 48

約数和(自身を含む): 235200

約数和(自身を除く): 146020

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 343, 364, 455, 490, 637, 686, 910, 980, 1274, 1372, 1715, 1820, 2548, 3185, 3430, 4459, 6370, 6860, 8918, 12740, 17836, 22295, 44590, 89180]

約数ペア:

[(1, 89180), (2, 44590), (4, 22295), (5, 17836), (7, 12740), (10, 8918), (13, 6860), (14, 6370), (20, 4459), (26, 3430), (28, 3185), (35, 2548), (49, 1820), (52, 1715), (65, 1372), (70, 1274), (91, 980), (98, 910), (130, 686), (140, 637), (182, 490), (196, 455), (245, 364), (260, 343)]