2247200540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{278809}}^1$

素因数の和:278862

約数の個数: 48

約数和(自身を含む): 5246088960

約数和(自身を除く): 2998888420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 278809, 557618, 1115236, 1394045, 2788090, 3624517, 5576180, 7249034, 8643079, 14498068, 17286158, 18122585, 34572316, 36245170, 43215395, 72490340, 86430790, 112360027, 172861580, 224720054, 449440108, 561800135, 1123600270, 2247200540]

約数ペア:

[(1, 2247200540), (2, 1123600270), (4, 561800135), (5, 449440108), (10, 224720054), (13, 172861580), (20, 112360027), (26, 86430790), (31, 72490340), (52, 43215395), (62, 36245170), (65, 34572316), (124, 18122585), (130, 17286158), (155, 14498068), (260, 8643079), (310, 7249034), (403, 5576180), (620, 3624517), (806, 2788090), (1612, 1394045), (2015, 1115236), (4030, 557618), (8060, 278809)]