205916680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{6301}}^1$

素因数の和:6374

約数の個数: 64

約数和(自身を含む): 499118400

約数和(自身を除く): 293201720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 860, 1634, 1720, 3268, 4085, 6301, 6536, 8170, 12602, 16340, 25204, 31505, 32680, 50408, 63010, 119719, 126020, 239438, 252040, 270943, 478876, 541886, 598595, 957752, 1083772, 1197190, 1354715, 2167544, 2394380, 2709430, 4788760, 5147917, 5418860, 10295834, 10837720, 20591668, 25739585, 41183336, 51479170, 102958340, 205916680]

約数ペア:

[(1, 205916680), (2, 102958340), (4, 51479170), (5, 41183336), (8, 25739585), (10, 20591668), (19, 10837720), (20, 10295834), (38, 5418860), (40, 5147917), (43, 4788760), (76, 2709430), (86, 2394380), (95, 2167544), (152, 1354715), (172, 1197190), (190, 1083772), (215, 957752), (344, 598595), (380, 541886), (430, 478876), (760, 270943), (817, 252040), (860, 239438), (1634, 126020), (1720, 119719), (3268, 63010), (4085, 50408), (6301, 32680), (6536, 31505), (8170, 25204), (12602, 16340)]