90272420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{33937}}^1$

素因数の和:33972

約数の個数: 48

約数和(自身を含む): 228063360

約数和(自身を除く): 137790940

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 33937, 67874, 135748, 169685, 237559, 339370, 475118, 644803, 678740, 950236, 1187795, 1289606, 2375590, 2579212, 3224015, 4513621, 4751180, 6448030, 9027242, 12896060, 18054484, 22568105, 45136210, 90272420]

約数ペア:

[(1, 90272420), (2, 45136210), (4, 22568105), (5, 18054484), (7, 12896060), (10, 9027242), (14, 6448030), (19, 4751180), (20, 4513621), (28, 3224015), (35, 2579212), (38, 2375590), (70, 1289606), (76, 1187795), (95, 950236), (133, 678740), (140, 644803), (190, 475118), (266, 339370), (380, 237559), (532, 169685), (665, 135748), (1330, 67874), (2660, 33937)]