9010180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 20180160

約数和(自身を除く): 11169980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 131, 181, 190, 262, 362, 380, 524, 655, 724, 905, 1310, 1810, 2489, 2620, 3439, 3620, 4978, 6878, 9956, 12445, 13756, 17195, 23711, 24890, 34390, 47422, 49780, 68780, 94844, 118555, 237110, 450509, 474220, 901018, 1802036, 2252545, 4505090, 9010180]

約数ペア:

[(1, 9010180), (2, 4505090), (4, 2252545), (5, 1802036), (10, 901018), (19, 474220), (20, 450509), (38, 237110), (76, 118555), (95, 94844), (131, 68780), (181, 49780), (190, 47422), (262, 34390), (362, 24890), (380, 23711), (524, 17195), (655, 13756), (724, 12445), (905, 9956), (1310, 6878), (1810, 4978), (2489, 3620), (2620, 3439)]