2078493980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{12347}}^1$

素因数の和:12818

約数の個数: 48

約数和(自身を含む): 4605310080

約数和(自身を除く): 2526816100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 443, 886, 1772, 2215, 4430, 8417, 8860, 12347, 16834, 24694, 33668, 42085, 49388, 61735, 84170, 123470, 168340, 234593, 246940, 469186, 938372, 1172965, 2345930, 4691860, 5469721, 10939442, 21878884, 27348605, 54697210, 103924699, 109394420, 207849398, 415698796, 519623495, 1039246990, 2078493980]

約数ペア:

[(1, 2078493980), (2, 1039246990), (4, 519623495), (5, 415698796), (10, 207849398), (19, 109394420), (20, 103924699), (38, 54697210), (76, 27348605), (95, 21878884), (190, 10939442), (380, 5469721), (443, 4691860), (886, 2345930), (1772, 1172965), (2215, 938372), (4430, 469186), (8417, 246940), (8860, 234593), (12347, 168340), (16834, 123470), (24694, 84170), (33668, 61735), (42085, 49388)]