127935740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{1709}}^1$

素因数の和:1934

約数の個数: 48

約数和(自身を含む): 284407200

約数和(自身を除く): 156471460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 197, 380, 394, 788, 985, 1709, 1970, 3418, 3743, 3940, 6836, 7486, 8545, 14972, 17090, 18715, 32471, 34180, 37430, 64942, 74860, 129884, 162355, 324710, 336673, 649420, 673346, 1346692, 1683365, 3366730, 6396787, 6733460, 12793574, 25587148, 31983935, 63967870, 127935740]

約数ペア:

[(1, 127935740), (2, 63967870), (4, 31983935), (5, 25587148), (10, 12793574), (19, 6733460), (20, 6396787), (38, 3366730), (76, 1683365), (95, 1346692), (190, 673346), (197, 649420), (380, 336673), (394, 324710), (788, 162355), (985, 129884), (1709, 74860), (1970, 64942), (3418, 37430), (3743, 34180), (3940, 32471), (6836, 18715), (7486, 17090), (8545, 14972)]