201658780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{4051}}^1$

素因数の和:4210

約数の個数: 48

約数和(自身を含む): 449285760

約数和(自身を除く): 247626980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 131, 190, 262, 380, 524, 655, 1310, 2489, 2620, 4051, 4978, 8102, 9956, 12445, 16204, 20255, 24890, 40510, 49780, 76969, 81020, 153938, 307876, 384845, 530681, 769690, 1061362, 1539380, 2122724, 2653405, 5306810, 10082939, 10613620, 20165878, 40331756, 50414695, 100829390, 201658780]

約数ペア:

[(1, 201658780), (2, 100829390), (4, 50414695), (5, 40331756), (10, 20165878), (19, 10613620), (20, 10082939), (38, 5306810), (76, 2653405), (95, 2122724), (131, 1539380), (190, 1061362), (262, 769690), (380, 530681), (524, 384845), (655, 307876), (1310, 153938), (2489, 81020), (2620, 76969), (4051, 49780), (4978, 40510), (8102, 24890), (9956, 20255), (12445, 16204)]