208423620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{8839}}^1$

素因数の和:8985

約数の個数: 72

約数和(自身を含む): 637116480

約数和(自身を除く): 428692860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 131, 180, 262, 393, 524, 655, 786, 1179, 1310, 1572, 1965, 2358, 2620, 3930, 4716, 5895, 7860, 8839, 11790, 17678, 23580, 26517, 35356, 44195, 53034, 79551, 88390, 106068, 132585, 159102, 176780, 265170, 318204, 397755, 530340, 795510, 1157909, 1591020, 2315818, 3473727, 4631636, 5789545, 6947454, 10421181, 11579090, 13894908, 17368635, 20842362, 23158180, 34737270, 41684724, 52105905, 69474540, 104211810, 208423620]

約数ペア:

[(1, 208423620), (2, 104211810), (3, 69474540), (4, 52105905), (5, 41684724), (6, 34737270), (9, 23158180), (10, 20842362), (12, 17368635), (15, 13894908), (18, 11579090), (20, 10421181), (30, 6947454), (36, 5789545), (45, 4631636), (60, 3473727), (90, 2315818), (131, 1591020), (180, 1157909), (262, 795510), (393, 530340), (524, 397755), (655, 318204), (786, 265170), (1179, 176780), (1310, 159102), (1572, 132585), (1965, 106068), (2358, 88390), (2620, 79551), (3930, 53034), (4716, 44195), (5895, 35356), (7860, 26517), (8839, 23580), (11790, 17678)]