199916210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{439}}^1$

素因数の和:603

約数の個数: 64

約数和(自身を含む): 404490240

約数和(自身を除く): 204574030

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 113, 130, 155, 226, 310, 403, 439, 565, 806, 878, 1130, 1469, 2015, 2195, 2938, 3503, 4030, 4390, 5707, 7006, 7345, 11414, 13609, 14690, 17515, 27218, 28535, 35030, 45539, 49607, 57070, 68045, 91078, 99214, 136090, 176917, 227695, 248035, 353834, 455390, 496070, 644891, 884585, 1289782, 1537817, 1769170, 3075634, 3224455, 6448910, 7689085, 15378170, 19991621, 39983242, 99958105, 199916210]

約数ペア:

[(1, 199916210), (2, 99958105), (5, 39983242), (10, 19991621), (13, 15378170), (26, 7689085), (31, 6448910), (62, 3224455), (65, 3075634), (113, 1769170), (130, 1537817), (155, 1289782), (226, 884585), (310, 644891), (403, 496070), (439, 455390), (565, 353834), (806, 248035), (878, 227695), (1130, 176917), (1469, 136090), (2015, 99214), (2195, 91078), (2938, 68045), (3503, 57070), (4030, 49607), (4390, 45539), (5707, 35030), (7006, 28535), (7345, 27218), (11414, 17515), (13609, 14690)]