8631350

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{271}}^1$

素因数の和:310

約数の個数: 72

約数和(自身を含む): 20186208

約数和(自身を除く): 11554858

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 49, 50, 65, 70, 91, 98, 130, 175, 182, 245, 271, 325, 350, 455, 490, 542, 637, 650, 910, 1225, 1274, 1355, 1897, 2275, 2450, 2710, 3185, 3523, 3794, 4550, 6370, 6775, 7046, 9485, 13279, 13550, 15925, 17615, 18970, 24661, 26558, 31850, 35230, 47425, 49322, 66395, 88075, 94850, 123305, 132790, 172627, 176150, 246610, 331975, 345254, 616525, 663950, 863135, 1233050, 1726270, 4315675, 8631350]

約数ペア:

[(1, 8631350), (2, 4315675), (5, 1726270), (7, 1233050), (10, 863135), (13, 663950), (14, 616525), (25, 345254), (26, 331975), (35, 246610), (49, 176150), (50, 172627), (65, 132790), (70, 123305), (91, 94850), (98, 88075), (130, 66395), (175, 49322), (182, 47425), (245, 35230), (271, 31850), (325, 26558), (350, 24661), (455, 18970), (490, 17615), (542, 15925), (637, 13550), (650, 13279), (910, 9485), (1225, 7046), (1274, 6775), (1355, 6370), (1897, 4550), (2275, 3794), (2450, 3523), (2710, 3185)]